* A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. (CVE-2014-7841, Important)

* An integer overflow flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture (ALSA) implementation handled user controls. A local, privileged user could use this flaw to crash the system. (CVE-2014-4656, Moderate)

The system must be rebooted for this update to take effect.

Updated kernel packages that fix one security issue and three bugs are now available for Red Hat Enterprise Linux 6.4 Extended Update Support.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

* A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. (CVE-2014-7841, Important)

This issue was discovered by Liu Wei of Red Hat.

This update also fixes the following bugs :

* Due to several bugs in the network console logging, a race condition between the network console send operation and the driver's IRQ handler could occur, or the network console could access invalid memory content. As a consequence, the respective driver, such as vmxnet3, triggered a BUG_ON() assertion and the system terminated unexpectedly. A patch addressing these bugs has been applied so that driver's IRQs are disabled before processing the send operation and the network console now accesses the RCU-protected (read-copy update) data properly. Systems using the network console logging no longer crashes due to the aforementioned conditions. (BZ#1165983)

* A bug in the vmxnet3 driver allowed potential race conditions to be triggered when the driver was used with the netconsole module. The race conditions allowed the driver's internal New API (NAPI) poll routine to run concurrently with the netpoll controller routine, which resulted in data corruption and a subsequent kernel panic. To fix this problem, the vmxnet3 driver has been modified to call the appropriate interrupt handler to schedule NAPI poll requests properly.
(BZ#1179594)

* Prior to this update, nfs_mark_return_delegation() was called without any locking, resulting in unsafe dereferencing of delegation->inode. Because the inode is only used to discover the nfs_client, the callers now pass a valid pointer to the nfs_server as a parameter. (BZ#1187637)

All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect.

The SUSE Linux Enterprise 12 kernel was updated to 3.12.31 to receive various security and bugfixes.

Security issues fixed: CVE-2014-9322: A local privilege escalation in the x86_64 32bit compatibility signal handling was fixed, which could be used by local attackers to crash the machine or execute code.

  - CVE-2014-9090: Various issues in LDT handling in 32bit     compatibility mode on the x86_64 platform were fixed,     where local attackers could crash the machine.

  - CVE-2014-8133: Insufficient validation of TLS register     usage could leak information from the kernel stack to     userspace.

  - CVE-2014-7826: kernel/trace/trace_syscalls.c in the     Linux kernel did not properly handle private syscall     numbers during use of the ftrace subsystem, which     allowed local users to gain privileges or cause a denial     of service (invalid pointer dereference) via a crafted     application.

  - CVE-2014-3647: Nadav Amit reported that the KVM (Kernel     Virtual Machine) mishandled noncanonical addresses when     emulating instructions that change the rip (Instruction     Pointer). A guest user with access to I/O or the MMIO     could use this flaw to cause a denial of service (system     crash) of the guest.

  - CVE-2014-3611: A race condition flaw was found in the     way the Linux kernel's KVM subsystem handled PIT     (Programmable Interval Timer) emulation. A guest user     who has access to the PIT I/O ports could use this flaw     to crash the host.

  - CVE-2014-3610: If the guest writes a noncanonical value     to certain MSR registers, KVM will write that value to     the MSR in the host context and a #GP will be raised     leading to kernel panic. A privileged guest user could     have used this flaw to crash the host.

  - CVE-2014-7841: A remote attacker could have used a flaw     in SCTP to crash the system by sending a maliciously     prepared SCTP packet in order to trigger a NULL pointer     dereference on the server.

  - CVE-2014-3673: The SCTP implementation in the Linux     kernel allowed remote attackers to cause a denial of     service (system crash) via a malformed ASCONF chunk,     related to net/sctp/sm_make_chunk.c and     net/sctp/sm_statefuns.c.

  - CVE-2014-3185: Multiple buffer overflows in the     command_port_read_callback function in     drivers/usb/serial/whiteheat.c in the Whiteheat USB     Serial Driver in the Linux kernel allowed physically     proximate attackers to execute arbitrary code or cause a     denial of service (memory corruption and system crash)     via a crafted device that provides a large amount of (1)     EHCI or (2) XHCI data associated with a bulk response.

Bugs fixed: BTRFS :

  - btrfs: fix race that makes btrfs_lookup_extent_info miss     skinny extent items (bnc#904077).

  - btrfs: fix invalid leaf slot access in     btrfs_lookup_extent() (bnc#904077).

  - btrfs: avoid returning -ENOMEM in convert_extent_bit()     too early (bnc#902016).

  - btrfs: make find_first_extent_bit be able to cache any     state (bnc#902016).

  - btrfs: deal with convert_extent_bit errors to avoid fs     corruption (bnc#902016).

  - btrfs: be aware of btree inode write errors to avoid fs     corruption (bnc#899551).

  - btrfs: add missing end_page_writeback on     submit_extent_page failure (bnc#899551).

  - btrfs: fix crash of btrfs_release_extent_buffer_page     (bnc#899551).

  - btrfs: ensure readers see new data after a clone     operation (bnc#898234).

  - btrfs: avoid visiting all extent items when cloning a     range (bnc#898234).

  - btrfs: fix clone to deal with holes when NO_HOLES     feature is enabled (bnc#898234).

  - btrfs: make fsync work after cloning into a file     (bnc#898234).

  - btrfs: fix use-after-free when cloning a trailing file     hole (bnc#898234).

  - btrfs: clone, don't create invalid hole extent map     (bnc#898234).

  - btrfs: limit the path size in send to PATH_MAX     (bnc#897770).

  - btrfs: send, fix more issues related to directory     renames (bnc#897770).

  - btrfs: send, remove dead code from
    __get_cur_name_and_parent (bnc#897770).

  - btrfs: send, account for orphan directories when     building path strings (bnc#897770).

  - btrfs: send, avoid unnecessary inode item lookup in the     btree (bnc#897770).

  - btrfs: send, fix incorrect ref access when using extrefs     (bnc#897770).

  - btrfs: send, build path string only once in send_hole     (bnc#897770).

  - btrfs: part 2, fix incremental send's decision to delay     a dir move/rename (bnc#897770).

  - btrfs: fix incremental send's decision to delay a dir     move/rename (bnc#897770).

  - btrfs: remove unnecessary inode generation lookup in     send (bnc#897770).

  - btrfs: avoid unnecessary utimes update in incremental     send (bnc#897770).

  - btrfs: fix send issuing outdated paths for utimes, chown     and chmod (bnc#897770).

  - btrfs: fix send attempting to rmdir non-empty     directories (bnc#897770).

  - btrfs: send, don't send rmdir for same target multiple     times (bnc#897770).

  - btrfs: incremental send, fix invalid path after dir     rename (bnc#897770).

  - btrfs: fix assert screwup for the pending move stuff     (bnc#897770).

  - btrfs: make some tree searches in send.c more efficient     (bnc#897770).

  - btrfs: use right extent item position in send when     finding extent clones (bnc#897770).

  - btrfs: more send support for parent/child dir     relationship inversion (bnc#897770).

  - btrfs: fix send dealing with file renames and directory     moves (bnc#897770).

  - btrfs: add missing error check in incremental send     (bnc#897770).

  - btrfs: make send's file extent item search more     efficient (bnc#897770).

  - btrfs: fix infinite path build loops in incremental send     (bnc#897770).

  - btrfs: send, don't delay dir move if there's a new     parent inode (bnc#897770).

  - btrfs: add helper btrfs_fdatawrite_range (bnc#902010).

  - btrfs: correctly flush compressed data before/after     direct IO (bnc#902010).

  - btrfs: make inode.c:compress_file_range() return void     (bnc#902010).

  - btrfs: report error after failure inlining extent in     compressed write path (bnc#902010).

  - btrfs: don't ignore compressed bio write errors     (bnc#902010).

  - btrfs: make inode.c:submit_compressed_extents() return     void (bnc#902010).

  - btrfs: process all async extents on compressed write     failure (bnc#902010).

  - btrfs: don't leak pages and memory on compressed write     error (bnc#902010).

  - btrfs: fix hang on compressed write error (bnc#902010).

  - btrfs: set page and mapping error on compressed write     failure (bnc#902010).

  - btrfs: fix kfree on list_head in     btrfs_lookup_csums_range error cleanup (bnc#904115).

Hyper-V :

  - hyperv: Fix a bug in netvsc_send().

  - hyperv: Fix a bug in netvsc_start_xmit().

  - drivers: hv: vmbus: Enable interrupt driven flow     control.

  - drivers: hv: vmbus: Properly protect calls to     smp_processor_id().

  - drivers: hv: vmbus: Cleanup hv_post_message().

  - drivers: hv: vmbus: Cleanup vmbus_close_internal().

  - drivers: hv: vmbus: Fix a bug in vmbus_open().

  - drivers: hv: vmbus: Cleanup vmbus_establish_gpadl().

  - drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl().

  - drivers: hv: vmbus: Cleanup vmbus_post_msg().

  - storvsc: get rid of overly verbose warning messages.

  - hyperv: NULL dereference on error.

  - hyperv: Increase the buffer length for     netvsc_channel_cb().

zSeries / S390 :

  - s390: pass march flag to assembly files as well     (bnc#903279, LTC#118177).

  - kernel: reduce function tracer overhead (bnc#903279,     LTC#118177).

  - SUNRPC: Handle EPIPE in xprt_connect_status     (bnc#901090).

  - SUNRPC: Ensure that we handle ENOBUFS errors correctly     (bnc#901090).

  - SUNRPC: Ensure call_connect_status() deals correctly     with SOFTCONN tasks (bnc#901090).

  - SUNRPC: Ensure that call_connect times out correctly     (bnc#901090).

  - SUNRPC: Handle connect errors ECONNABORTED and     EHOSTUNREACH (bnc#901090).

  - SUNRPC: Ensure xprt_connect_status handles all potential     connection errors (bnc#901090).

  - SUNRPC: call_connect_status should recheck bind and     connect status on error (bnc#901090).

kGraft :

  - kgr: force patching process to succeed (fate#313296).

  - kgr: usb-storage, mark kthread safe (fate#313296     bnc#899908).

  - Refresh patches.suse/kgr-0039-kgr-fix-ugly-race.patch.
    Fix few bugs, and also races (immutable vs     mark_processes vs other threads).

  - kgr: always use locked bit ops for thread_info->flags     (fate#313296).

  - kgr: lower the workqueue scheduling timeout (fate#313296     bnc#905087).

  - kgr: mark even more kthreads (fate#313296 bnc#904871).

  - rpm/kernel-binary.spec.in: Provide name-version-release     for kgraft packages (bnc#901925)

Other :

  - NFSv4: test SECINFO RPC_AUTH_GSS pseudoflavors for     support (bnc#905758).

  - Enable cmac(aes) and cmac(3des_ede) for FIPS mode     (bnc#905296 bnc#905772).

  - scsi_dh_alua: disable ALUA handling for non-disk devices     (bnc#876633).

  - powerpc/vphn: NUMA node code expects big-endian     (bsc#900126).

  - net: fix checksum features handling in     netif_skb_features() (bnc#891259).

  - be2net: Fix invocation of be_close() after be_clear()     (bnc#895468).

  - PCI: pciehp: Clear Data Link Layer State Changed during     init (bnc#898297).

  - PCI: pciehp: Use symbolic constants, not hard-coded     bitmask (bnc#898297).

  - PCI: pciehp: Use link change notifications for hot-plug     and removal (bnc#898297).

  - PCI: pciehp: Make check_link_active() non-static     (bnc#898297).

  - PCI: pciehp: Enable link state change notifications     (bnc#898297).

  - ALSA: hda - Treat zero connection as non-error     (bnc#902898).

  - bcache: add mutex lock for bch_is_open (bnc#902893).

  - futex: Fix a race condition between REQUEUE_PI and task     death (bcn #851603 (futex scalability series)).

  - Linux 3.12.31 (bnc#895983 bnc#897912).

  - futex: Ensure get_futex_key_refs() always implies a     barrier (bcn #851603 (futex scalability series)).

  - usbback: don't access request fields in shared ring more     than once.

  - Update Xen patches to 3.12.30.

  - locking/rwsem: Avoid double checking before try     acquiring write lock (Locking scalability.).

  - zcrypt: toleration of new crypto adapter hardware     (bnc#894057, LTC#117041).

  - zcrypt: support for extended number of ap domains     (bnc#894057, LTC#117041).

  - kABI: protect linux/fs.h include in mm/internal.h.

  - Linux 3.12.30 (FATE#315482 bnc#862957 bnc#863526     bnc#870498).

  - Update     patches.fixes/xfs-mark-all-internal-workqueues-as-freeza     ble.patch (bnc#899785).

  - xfs: mark all internal workqueues as freezable.

  - drm/i915: Move DP port disable to post_disable for pch     platforms (bnc#899787).

  - pagecachelimit: reduce lru_lock congestion for heavy     parallel reclaim fix (bnc#895680).

  - Linux 3.12.29 (bnc#879255 bnc#880892 bnc#887046     bnc#887418 bnc#891619 bnc#892612 bnc#892650 bnc#897101).

  - iommu/vt-d: Work around broken RMRR firmware entries     (bnc#892860).

  - iommu/vt-d: Store bus information in RMRR PCI device     path (bnc#892860).

  - iommu/vt-d: Only remove domain when device is removed     (bnc#883139).

  - driver core: Add BUS_NOTIFY_REMOVED_DEVICE event     (bnc#883139).

  - Update config files: Re-enable CONFIG_FUNCTION_PROFILER     (bnc#899489) Option FUNCTION_PROFILER was enabled in     debug and trace kernels so far, but it was accidentally     disabled before tracing features were merged into the     default kernel and the trace flavor was discarded. So     all kernels are missing the feature now. Re-enable it.

  - xfs: xlog_cil_force_lsn doesn't always wait correctly.

  - scsi: clear 'host_scribble' upon successful abort     (bnc#894863).

  - module: warn if module init + probe takes long     (bnc#889297 bnc#877622 bnc#889295 bnc#893454).

  - mm, THP: don't hold mmap_sem in khugepaged when     allocating THP (bnc#880767, VM Performance).

  - pagecache_limit: batch large nr_to_scan targets     (bnc#895221).

  - iommu/vt-d: Check return value of acpi_bus_get_device()     (bnc#903307).

  - rpm/kernel-binary.spec.in: Fix including the secure boot     cert in /etc/uefi/certs

  - sched: Reduce contention in update_cfs_rq_blocked_load()     (Scheduler/core performance).

  - x86: use optimized ioresource lookup in ioremap function     (Boot time optimisations (bnc#895387)).

  - x86: optimize resource lookups for ioremap (Boot time     optimisations (bnc#895387)).

  - usb: Do not re-read descriptors for wired devices in     usb_authorize_device() (bnc#904354).

  - netxen: Fix link event handling (bnc#873228).

  - x86, cpu: Detect more TLB configuration -xen (TLB     Performance).

  - x86/mm: Fix RCU splat from new TLB tracepoints (TLB     Performance).

  - x86/mm: Set TLB flush tunable to sane value (33) (TLB     Performance).

  - x86/mm: New tunable for single vs full TLB flush (TLB     Performance).

  - x86/mm: Add tracepoints for TLB flushes (TLB     Performance).

  - x86/mm: Unify remote INVLPG code (TLB Performance).

  - x86/mm: Fix missed global TLB flush stat (TLB     Performance).

  - x86/mm: Rip out complicated, out-of-date, buggy TLB     flushing (TLB Performance).

  - x86, cpu: Detect more TLB configuration (TLB     Performance).

  - mm, x86: Revisit tlb_flushall_shift tuning for page     flushes except on IvyBridge (TLB Performance).

  - x86/mm: Clean up the TLB flushing code (TLB     Performance).

  - mm: free compound page with correct order (VM     Functionality).

  - bnx2x: Utilize FW 7.10.51 (bnc#887382).

  - bnx2x: Remove unnecessary internal mem config     (bnc#887382).

  - rtnetlink: fix oops in     rtnl_link_get_slave_info_data_size (bnc#901774).

  - dm: do not call dm_sync_table() when creating new     devices (bnc#901809).

  - [media] uvc: Fix destruction order in uvc_delete()     (bnc#897736).

  - uas: replace WARN_ON_ONCE() with lockdep_assert_held()     (FATE#315595).

  - cxgb4/cxgb4vf: Add Devicde ID for two more adapter     (bsc#903999).

  - cxgb4/cxgb4vf: Add device ID for new adapter and remove     for dbg adapter (bsc#903999).

  - cxgb4: Adds device ID for few more Chelsio T4 Adapters     (bsc#903999).

  - cxgb4: Check if rx checksum offload is enabled, while     reading hardware calculated checksum (bsc#903999).

  - xen-pciback: drop SR-IOV VFs when PF driver unloads     (bsc#901839).

This update also includes fixes contained in the Linux 3.12.stable release series, not separately listed here.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The openSUSE 13.1 kernel was updated to fix security issues and bugs :

Security issues fixed: CVE-2014-9322: A local privilege escalation in the x86_64 32bit compatibility signal handling was fixed, which could be used by local attackers to crash the machine or execute code.

CVE-2014-9090: The do_double_fault function in arch/x86/kernel/traps.c in the Linux kernel did not properly handle faults associated with the Stack Segment (SS) segment register, which allowed local users to cause a denial of service (panic) via a modify_ldt system call, as demonstrated by sigreturn_32 in the linux-clock-tests test suite.

CVE-2014-8133: Insufficient validation of TLS register usage could leak information from the kernel stack to userspace.

CVE-2014-0181: The Netlink implementation in the Linux kernel through 3.14.1 did not provide a mechanism for authorizing socket operations based on the opener of a socket, which allowed local users to bypass intended access restrictions and modify network configurations by using a Netlink socket for the (1) stdout or (2) stderr of a setuid program. (bsc#875051)

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-3688: The SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (memory consumption) by triggering a large number of chunks in an association's output queue, as demonstrated by ASCONF probes, related to net/sctp/inqueue.c and net/sctp/sm_statefuns.c.

CVE-2014-3687: The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter.

CVE-2014-7975: The do_umount function in fs/namespace.c in the Linux kernel did not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allowed local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.

CVE-2014-8884: Stack-based buffer overflow in the ttusbdecfe_dvbs_diseqc_send_master_cmd function in drivers/media/usb/ttusb-dec/ttusbdecfe.c in the Linux kernel allowed local users to cause a denial of service (system crash) or possibly gain privileges via a large message length in an ioctl call.

CVE-2014-3673: The SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (system crash) via a malformed ASCONF chunk, related to net/sctp/sm_make_chunk.c and net/sctp/sm_statefuns.c.

CVE-2014-3186: Buffer overflow in the picolcd_raw_event function in devices/hid/hid-picolcd_core.c in the PicoLCD HID device driver in the Linux kernel, as used in Android on Nexus 7 devices, allowed physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that sends a large report.

CVE-2014-7841: The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel, when ASCONF is used, allowed remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.

CVE-2014-4611: Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel before 3.15.2, on 32-bit platforms might allow context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run that would be improperly handled by programs not complying with an API limitation, a different vulnerability than CVE-2014-4715.

CVE-2014-4608: Multiple integer overflows in the lzo1x_decompress_safe function in lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor in the Linux kernel allowed context-dependent attackers to cause a denial of service (memory corruption) via a crafted Literal Run.

CVE-2014-8709: The ieee80211_fragment function in net/mac80211/tx.c in the Linux kernel did not properly maintain a certain tail pointer, which allowed remote attackers to obtain sensitive cleartext information by reading packets.

CVE-2014-3185: Multiple buffer overflows in the command_port_read_callback function in drivers/usb/serial/whiteheat.c in the Whiteheat USB Serial Driver in the Linux kernel allowed physically proximate attackers to execute arbitrary code or cause a denial of service (memory corruption and system crash) via a crafted device that provides a large amount of (1) EHCI or (2) XHCI data associated with a bulk response.

CVE-2014-3184: The report_fixup functions in the HID subsystem in the Linux kernel might have allowed physically proximate attackers to cause a denial of service (out-of-bounds write) via a crafted device that provides a small report descriptor, related to (1) drivers/hid/hid-cherry.c, (2) drivers/hid/hid-kye.c, (3) drivers/hid/hid-lg.c, (4) drivers/hid/hid-monterey.c, (5) drivers/hid/hid-petalynx.c, and (6) drivers/hid/hid-sunplus.c.

CVE-2014-3182: Array index error in the logi_dj_raw_event function in drivers/hid/hid-logitech-dj.c in the Linux kernel allowed physically proximate attackers to execute arbitrary code or cause a denial of service (invalid kfree) via a crafted device that provides a malformed REPORT_TYPE_NOTIF_DEVICE_UNPAIRED value.

CVE-2014-3181: Multiple stack-based buffer overflows in the magicmouse_raw_event function in drivers/hid/hid-magicmouse.c in the Magic Mouse HID driver in the Linux kernel allowed physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that provides a large amount of (1) EHCI or (2) XHCI data associated with an event.

CVE-2014-7826: kernel/trace/trace_syscalls.c in the Linux kernel did not properly handle private syscall numbers during use of the ftrace subsystem, which allowed local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.

CVE-2013-7263: The Linux kernel updated certain length values before ensuring that associated data structures have been initialized, which allowed local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c. This update fixes the leak of the port number when using ipv6 sockets. (bsc#853040).

CVE-2013-2898: Fixed potential kernel caller confusion via past-end-of-heap-allocation read in sensor-hub HID driver.

CVE-2013-2891: Fixed 16 byte past-end-of-heap-alloc zeroing in steelseries HID driver.

VE-2014-6410: The __udf_read_inode function in fs/udf/inode.c in the Linux kernel did not restrict the amount of ICB indirection, which allowed physically proximate attackers to cause a denial of service (infinite loop or stack consumption) via a UDF filesystem with a crafted inode.

CVE-2014-5471: Stack consumption vulnerability in the parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel allowed local users to cause a denial of service (uncontrolled recursion, and system crash or reboot) via a crafted iso9660 image with a CL entry referring to a directory entry that has a CL entry.

CVE-2014-5472: The parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel allowed local users to cause a denial of service (unkillable mount process) via a crafted iso9660 image with a self-referential CL entry.

CVE-2014-0206: Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel allowed local users to obtain sensitive information from kernel memory via a large head value.

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-5206: The do_remount function in fs/namespace.c in the Linux kernel did not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allowed local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a 'mount -o remount' command within a user namespace.

CVE-2014-5207: fs/namespace.c in the Linux kernel did not properly restrict clearing MNT_NODEV, MNT_NOSUID, and MNT_NOEXEC and changing MNT_ATIME_MASK during a remount of a bind mount, which allowed local users to gain privileges, interfere with backups and auditing on systems that had atime enabled, or cause a denial of service (excessive filesystem updating) on systems that had atime disabled via a 'mount -o remount' command within a user namespace.

CVE-2014-1739: The media_device_enum_entities function in drivers/media/media-device.c in the Linux kernel did not initialize a certain data structure, which allowed local users to obtain sensitive information from kernel memory by leveraging /dev/media0 read access for a MEDIA_IOC_ENUM_ENTITIES ioctl call.

CVE-2014-4943: The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel allowed local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-5077: The sctp_assoc_update function in net/sctp/associola.c in the Linux kernel, when SCTP authentication is enabled, allowed remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by starting to establish an association between two endpoints immediately after an exchange of INIT and INIT ACK chunks to establish an earlier association between these endpoints in the opposite direction.

CVE-2014-4171: mm/shmem.c in the Linux kernel did not properly implement the interaction between range notification and hole punching, which allowed local users to cause a denial of service (i_mutex hold) by using the mmap system call to access a hole, as demonstrated by interfering with intended shmem activity by blocking completion of (1) an MADV_REMOVE madvise call or (2) an FALLOC_FL_PUNCH_HOLE fallocate call.

Also the following bugs were fixed :

  - KEYS: Fix stale key registration at error path     (bnc#908163).

  - parport: parport_pc, do not remove parent devices early     (bnc#856659).

  - xfs: fix directory hash ordering bug.

  - xfs: mark all internal workqueues as freezable     (bnc#899785).

  - [media] uvc: Fix destruction order in uvc_delete()     (bnc#897736).

  - cfq-iosched: Fix wrong children_weight calculation     (bnc#893429).

  - target/rd: Refactor rd_build_device_space +     rd_release_device_space (bnc#882639).

  - Btrfs: Fix memory corruption by ulist_add_merge() on     32bit arch (bnc#887046).

  - usb: pci-quirks: Prevent Sony VAIO t-series from     switching usb ports (bnc#864375).

  - xhci: Switch only Intel Lynx Point-LP ports to EHCI on     shutdown (bnc#864375).

  - xhci: Switch Intel Lynx Point ports to EHCI on shutdown     (bnc#864375).

  - ALSA: hda - Fix broken PM due to incomplete i915     initialization (bnc#890114).

  - netbk: Don't destroy the netdev until the vif is shut     down (bnc#881008).

  - swiotlb: don't assume PA 0 is invalid (bnc#865882).

  - PM / sleep: Fix request_firmware() error at resume     (bnc#873790).

  - usbcore: don't log on consecutive debounce failures of     the same port (bnc#818966).

A NULL pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. (CVE-2014-7841)

A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. (CVE-2014-7842)

Milos Prchlik reported a flaw in how the ARM64 platform handles a single byte overflow in __clear_user. A local user could exploit this flaw to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary. (CVE-2014-7843)

A stack buffer overflow was discovered in the ioctl command handling for the Technotrend/Hauppauge USB DEC devices driver. A local user could exploit this flaw to cause a denial of service (system crash) or possibly gain privileges. (CVE-2014-8884).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-3003 advisory.

    - [CIFS] Possible null ptr deref in SMB2_tcon (Steve French)  [Orabug: 20433140]  {CVE-2014-7145}
    - net: sctp: fix NULL pointer dereference in af->from_addr_param on malformed packet (Daniel Borkmann)     [Orabug: 20425332]  {CVE-2014-7841}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Latest upstream stable release, Linux v3.17.3. A wide variety of fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The 3.17.3 stable update contains a number of important fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in attacking the kernel. (CVE-2014-8134)

A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2014-3673)

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (panic). (CVE-2014-3687)

It was discovered that excessive queuing by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel can cause memory pressure. A remote attacker could exploit this flaw to cause a denial of service. (CVE-2014-3688)

A NULL pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. (CVE-2014-7841)

Jouni Malinen reported a flaw in the handling of fragmentation in the mac8Linux subsystem of the kernel. A remote attacker could exploit this flaw to obtain potential sensitive cleartext information by reading packets. (CVE-2014-8709)

A stack buffer overflow was discovered in the ioctl command handling for the Technotrend/Hauppauge USB DEC devices driver. A local user could exploit this flaw to cause a denial of service (system crash) or possibly gain privileges. (CVE-2014-8884)

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment (SS) register on the x86 architecture. A local attacker could exploit this flaw to cause a denial of service (panic). (CVE-2014-9090).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The SUSE Linux Enterprise 11 Service Pack 1 LTSS kernel was updated to fix security issues on kernels on the x86_64 architecture.

The following security bugs have been fixed :

  - CVE-2013-4299: Interpretation conflict in     drivers/md/dm-snap-persistent.c in the Linux kernel     through 3.11.6 allowed remote authenticated users to     obtain sensitive information or modify data via a     crafted mapping to a snapshot block device (bnc#846404).

  - CVE-2014-8160: SCTP firewalling failed until the SCTP     module was loaded (bnc#913059).

  - CVE-2014-9584: The parse_rock_ridge_inode_internal     function in fs/isofs/rock.c in the Linux kernel before     3.18.2 did not validate a length value in the Extensions     Reference (ER) System Use Field, which allowed local     users to obtain sensitive information from kernel memory     via a crafted iso9660 image (bnc#912654).

  - CVE-2014-9585: The vdso_addr function in     arch/x86/vdso/vma.c in the Linux kernel through 3.18.2     did not properly choose memory locations for the vDSO     area, which made it easier for local users to bypass the     ASLR protection mechanism by guessing a location at the     end of a PMD (bnc#912705).

  - CVE-2014-9420: The rock_continue function in     fs/isofs/rock.c in the Linux kernel through 3.18.1 did     not restrict the number of Rock Ridge continuation     entries, which allowed local users to cause a denial of     service (infinite loop, and system crash or hang) via a     crafted iso9660 image (bnc#911325).

  - CVE-2014-0181: The Netlink implementation in the Linux     kernel through 3.14.1 did not provide a mechanism for     authorizing socket operations based on the opener of a     socket, which allowed local users to bypass intended     access restrictions and modify network configurations by     using a Netlink socket for the (1) stdout or (2) stderr     of a setuid program (bnc#875051).

  - CVE-2010-5313: Race condition in arch/x86/kvm/x86.c in     the Linux kernel before 2.6.38 allowed L2 guest OS users     to cause a denial of service (L1 guest OS crash) via a     crafted instruction that triggers an L2 emulation     failure report, a similar issue to CVE-2014-7842     (bnc#907822).

  - CVE-2014-7842: Race condition in arch/x86/kvm/x86.c in     the Linux kernel before 3.17.4 allowed guest OS users to     cause a denial of service (guest OS crash) via a crafted     application that performs an MMIO transaction or a PIO     transaction to trigger a guest userspace emulation error     report, a similar issue to CVE-2010-5313 (bnc#905312).

  - CVE-2014-3688: The SCTP implementation in the Linux     kernel before 3.17.4 allowed remote attackers to cause a     denial of service (memory consumption) by triggering a     large number of chunks in an associations output queue,     as demonstrated by ASCONF probes, related to     net/sctp/inqueue.c and net/sctp/sm_statefuns.c     (bnc#902351).

  - CVE-2014-3687: The sctp_assoc_lookup_asconf_ack function     in net/sctp/associola.c in the SCTP implementation in     the Linux kernel through 3.17.2 allowed remote attackers     to cause a denial of service (panic) via duplicate     ASCONF chunks that trigger an incorrect uncork within     the side-effect interpreter (bnc#902349).

  - CVE-2014-3673: The SCTP implementation in the Linux     kernel through 3.17.2 allowed remote attackers to cause     a denial of service (system crash) via a malformed     ASCONF chunk, related to net/sctp/sm_make_chunk.c and     net/sctp/sm_statefuns.c (bnc#902346).

  - CVE-2014-7841: The sctp_process_param function in     net/sctp/sm_make_chunk.c in the SCTP implementation in     the Linux kernel before 3.17.4, when ASCONF is used,     allowed remote attackers to cause a denial of service     (NULL pointer dereference and system crash) via a     malformed INIT chunk (bnc#905100).

  - CVE-2014-8709: The ieee80211_fragment function in     net/mac80211/tx.c in the Linux kernel before 3.13.5 did     not properly maintain a certain tail pointer, which     allowed remote attackers to obtain sensitive cleartext     information by reading packets (bnc#904700).

  - CVE-2013-7263: The Linux kernel before 3.12.4 updated     certain length values before ensuring that associated     data structures have been initialized, which allowed     local users to obtain sensitive information from kernel     stack memory via a (1) recvfrom, (2) recvmmsg, or (3)     recvmsg system call, related to net/ipv4/ping.c,     net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and     net/ipv6/udp.c (bnc#857643).

  - CVE-2012-6657: The sock_setsockopt function in     net/core/sock.c in the Linux kernel before 3.5.7 did not     ensure that a keepalive action is associated with a     stream socket, which allowed local users to cause a     denial of service (system crash) by leveraging the     ability to create a raw socket (bnc#896779).

  - CVE-2014-3185: Multiple buffer overflows in the     command_port_read_callback function in     drivers/usb/serial/whiteheat.c in the Whiteheat USB     Serial Driver in the Linux kernel before 3.16.2 allowed     physically proximate attackers to execute arbitrary code     or cause a denial of service (memory corruption and     system crash) via a crafted device that provides a large     amount of (1) EHCI or (2) XHCI data associated with a     bulk response (bnc#896391).

  - CVE-2014-3184: The report_fixup functions in the HID     subsystem in the Linux kernel before 3.16.2 might allow     physically proximate attackers to cause a denial of     service (out-of-bounds write) via a crafted device that     provides a small report descriptor, related to (1)     drivers/hid/hid-cherry.c, (2) drivers/hid/hid-kye.c, (3)     drivers/hid/hid-lg.c, (4) drivers/hid/hid-monterey.c,     (5) drivers/hid/hid-petalynx.c, and (6)     drivers/hid/hid-sunplus.c (bnc#896390).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名稱	產品	系列	已發布	已更新	嚴重性
81072	Scientific Linux Security Update : kernel on SL6.x i386/srpm/x86_64 (20150127)	Nessus	Scientific Linux Local Security Checks	2015/1/29	2021/1/14	medium
81625	RHEL 6 : kernel (RHSA-2015:0285)	Nessus	Red Hat Local Security Checks	2015/3/5	2019/10/24	medium
83665	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:0068-1)	Nessus	SuSE Local Security Checks	2015/5/20	2021/1/6	high
80152	openSUSE Security Update : the Linux Kernel (openSUSE-SU-2014:1677-1)	Nessus	SuSE Local Security Checks	2014/12/22	2021/1/19	high
80512	Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2465-1)	Nessus	Ubuntu Local Security Checks	2015/1/14	2021/1/19	medium
81100	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2015-3003)	Nessus	Oracle Linux Local Security Checks	2015/1/30	2026/2/9	medium
79319	Fedora 21 : kernel-3.17.3-300.fc21 (2014-15159)	Nessus	Fedora Local Security Checks	2014/11/19	2021/1/11	medium
79363	Fedora 20 : kernel-3.17.3-200.fc20 (2014-15200)	Nessus	Fedora Local Security Checks	2014/11/21	2021/1/11	medium
80028	Ubuntu 10.04 LTS : linux vulnerabilities (USN-2441-1)	Nessus	Ubuntu Local Security Checks	2014/12/15	2021/1/19	high
83708	SUSE SLES11 Security Update : kernel (SUSE-SU-2015:0652-1)	Nessus	SuSE Local Security Checks	2015/5/20	2021/1/19	high

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