Updated kernel packages that fix several security issues in Red Hat Enterprise Linux 3 are now available.

The Linux kernel handles the basic functions of the operating system.

This update includes fixes for several security issues :

A missing serialization flaw in unix_dgram_recvmsg was discovered that affects kernels prior to 2.4.28. A local user could potentially make use of a race condition in order to gain privileges. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2004-1068 to this issue.

Paul Starzetz of iSEC discovered various flaws in the ELF binary loader affecting kernels prior to 2.4.28. A local user could use thse flaws to gain read access to executable-only binaries or possibly gain privileges. (CVE-2004-1070, CVE-2004-1071, CVE-2004-1072, CVE-2004-1073)

A flaw when setting up TSS limits was discovered that affects AMD AMD64 and Intel EM64T architecture kernels prior to 2.4.23. A local user could use this flaw to cause a denial of service (crash) or possibly gain privileges. (CVE-2004-0812)

An integer overflow flaw was discovered in the ubsec_keysetup function in the Broadcom 5820 cryptonet driver. On systems using this driver, a local user could cause a denial of service (crash) or possibly gain elevated privileges. (CVE-2004-0619)

Stefan Esser discovered various flaws including buffer overflows in the smbfs driver affecting kernels prior to 2.4.28. A local user may be able to cause a denial of service (crash) or possibly gain privileges. In order to exploit these flaws the user would require control of a connected Samba server. (CVE-2004-0883, CVE-2004-0949)

SGI discovered a bug in the elf loader that affects kernels prior to 2.4.25 which could be triggered by a malformed binary. On architectures other than x86, a local user could create a malicious binary which could cause a denial of service (crash). (CVE-2004-0136)

Conectiva discovered flaws in certain USB drivers affecting kernels prior to 2.4.27 which used the copy_to_user function on uninitialized structures. These flaws could allow local users to read small amounts of kernel memory. (CVE-2004-0685)

All Red Hat Enterprise Linux 3 users are advised to upgrade their kernels to the packages associated with their machine architectures and configurations as listed in this erratum.

Updated kernel packages are now available as part of ongoing support and maintenance of Red Hat Enterprise Linux version 2.1. This is the seventh regular update.

This security advisory has been rated as having important security impact by the Red Hat Security Response Team.

The Linux kernel handles the basic functions of the operating system.

This is the seventh regular kernel update to Red Hat Enterprise Linux 2.1

The following security updates were made :

A flaw in fragment queuing was discovered that affected the Linux 2.4 and Linux 2.6 kernel netfilter subsystem. On systems configured to filter or process network packets (for example those configured to do firewalling), a remote attacker could send a carefully crafted set of fragmented packets to a machine and cause a denial of service (system crash). In order to sucessfully exploit this flaw, the attacker would need to know (or guess) some aspects of the firewall ruleset in place on the target system to be able to craft the right fragmented packets.
(CVE-2005-0449)

A flaw was discovered in the Linux PPP driver. On systems allowing remote users to connect to a server using ppp, a remote client could cause a denial of service (system crash). (CVE-2005-0384)

A flaw was discovered in the bluetooth driver system. On system where the bluetooth modules are loaded, a local user could use this flaw to gain elevated (root) privileges. (CVE-2005-0750)

An integer overflow flaw was discovered in the ubsec_keysetup function in the Broadcom 5820 cryptonet driver. On systems using this driver, a local user could cause a denial of service (crash) or possibly gain elevated privileges. (CVE-2004-0619) Please note that this update contains an unpatched kernel module called bcm5820_old for backwards compatibility which is still vulnerable to CVE-2004-0619.

The following device drivers have been updated to new versions :

mptfusion: 2.05.16 -> 2.05.16.02 bcm5820: 1.17 -> 1.81 cciss: 2.4.52
-> 2.4.54 qla2x00: 6.04.01 -> 7.01.01

There were many bug fixes in various parts of the kernel. The ongoing effort to resolve these problems has resulted in a marked improvement in the reliability and scalability of Red Hat Enterprise Linux 2.1.

Bug fixes include: - Fixes an incorrect and ever-changing physical_id field in /proc/cpuinfo. - Now recognizes a particular e1000 device (PCI ID 8086:1014) - Fixes a panic in disk quota code - Fixes a bug in which msync(...MS_SYNC) returns before the data is written to disk - Adds new devices to the SCSI scan list so they can be initialized and handled properly: LSI ProFibre 4000R, HP HSV200/210, HP MSA, STK OPENstorage D178. - Fixes a potential format overflow in /proc/partitions - Restores module parameters to the e100 driver for compatibility with existing customer scripts. - Fixes a bug in which cat'ing /proc/mdstat while adding/removing devices can cause a kernel oops

All Red Hat Enterprise Linux 2.1 users are advised to upgrade their kernels to the packages associated with their machine architectures and configurations as listed in this erratum.

Please note that a vulnerability addressed by this update (CVE-2005-0449) required a change to the kernel module ABI which could cause third party modules to not work. However, Red Hat is currently not aware of any module that would be affected by this change.

Updated kernel packages are now available as part of ongoing support
and maintenance of Red Hat Enterprise Linux version 2.1. This is the
seventh regular update.

This security advisory has been rated as having important security
impact by the Red Hat Security Response Team.

The Linux kernel handles the basic functions of the operating system.

This is the seventh regular kernel update to Red Hat Enterprise Linux
2.1

The following security updates were made :

A flaw in fragment queuing was discovered that affected the Linux 2.4
and Linux 2.6 kernel netfilter subsystem. On systems configured to
filter or process network packets (for example those configured to do
firewalling), a remote attacker could send a carefully crafted set of
fragmented packets to a machine and cause a denial of service (system
crash). In order to sucessfully exploit this flaw, the attacker would
need to know (or guess) some aspects of the firewall ruleset in place
on the target system to be able to craft the right fragmented packets.
(CVE-2005-0449)

A flaw was discovered in the Linux PPP driver. On systems allowing
remote users to connect to a server using ppp, a remote client could
cause a denial of service (system crash). (CVE-2005-0384)

A flaw was discovered in the bluetooth driver system. On system where
the bluetooth modules are loaded, a local user could use this flaw to
gain elevated (root) privileges. (CVE-2005-0750)

An integer overflow flaw was discovered in the ubsec_keysetup function
in the Broadcom 5820 cryptonet driver. On systems using this driver, a
local user could cause a denial of service (crash) or possibly gain
elevated privileges. (CVE-2004-0619) Please note that this update
contains an unpatched kernel module called bcm5820_old for backwards
compatibility which is still vulnerable to CVE-2004-0619.

The following device drivers have been updated to new versions :

mptfusion: 2.05.16 -> 2.05.16.02 bcm5820: 1.17 -> 1.81 cciss: 2.4.52
-> 2.4.54 qla2x00: 6.04.01 -> 7.01.01

There were many bug fixes in various parts of the kernel. The ongoing
effort to resolve these problems has resulted in a marked improvement
in the reliability and scalability of Red Hat Enterprise Linux 2.1.

Bug fixes include: - Fixes an incorrect and ever-changing physical_id
field in /proc/cpuinfo. - Now recognizes a particular e1000 device
(PCI ID 8086:1014) - Fixes a panic in disk quota code - Fixes a bug in
which msync(...MS_SYNC) returns before the data is written to disk -
Adds new devices to the SCSI scan list so they can be initialized and
handled properly: LSI ProFibre 4000R, HP HSV200/210, HP MSA, STK
OPENstorage D178. - Fixes a potential format overflow in
/proc/partitions - Restores module parameters to the e100 driver for
compatibility with existing customer scripts. - Fixes a bug in which
cat'ing /proc/mdstat while adding/removing devices can cause a kernel
oops

All Red Hat Enterprise Linux 2.1 users are advised to upgrade their
kernels to the packages associated with their machine architectures
and configurations as listed in this erratum.

Please note that a vulnerability addressed by this update
(CVE-2005-0449) required a change to the kernel module ABI which could
cause third party modules to not work. However, Red Hat is currently
not aware of any module that would be affected by this change.

Updated kernel packages that fix several security issues in Red Hat
Enterprise Linux 3 are now available.

The Linux kernel handles the basic functions of the operating system.

This update includes fixes for several security issues :

A missing serialization flaw in unix_dgram_recvmsg was discovered that
affects kernels prior to 2.4.28. A local user could potentially make
use of a race condition in order to gain privileges. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the
name CVE-2004-1068 to this issue.

Paul Starzetz of iSEC discovered various flaws in the ELF binary
loader affecting kernels prior to 2.4.28. A local user could use thse
flaws to gain read access to executable-only binaries or possibly gain
privileges. (CVE-2004-1070, CVE-2004-1071, CVE-2004-1072,
CVE-2004-1073)

A flaw when setting up TSS limits was discovered that affects AMD
AMD64 and Intel EM64T architecture kernels prior to 2.4.23. A local
user could use this flaw to cause a denial of service (crash) or
possibly gain privileges. (CVE-2004-0812)

An integer overflow flaw was discovered in the ubsec_keysetup function
in the Broadcom 5820 cryptonet driver. On systems using this driver, a
local user could cause a denial of service (crash) or possibly gain
elevated privileges. (CVE-2004-0619)

Stefan Esser discovered various flaws including buffer overflows in
the smbfs driver affecting kernels prior to 2.4.28. A local user may
be able to cause a denial of service (crash) or possibly gain
privileges. In order to exploit these flaws the user would require
control of a connected Samba server. (CVE-2004-0883, CVE-2004-0949)

SGI discovered a bug in the elf loader that affects kernels prior to
2.4.25 which could be triggered by a malformed binary. On
architectures other than x86, a local user could create a malicious
binary which could cause a denial of service (crash). (CVE-2004-0136)

Conectiva discovered flaws in certain USB drivers affecting kernels
prior to 2.4.27 which used the copy_to_user function on uninitialized
structures. These flaws could allow local users to read small amounts
of kernel memory. (CVE-2004-0685)

All Red Hat Enterprise Linux 3 users are advised to upgrade their
kernels to the packages associated with their machine architectures
and configurations as listed in this erratum.

ID	名稱	產品	系列	已發布	已更新	嚴重性
15944	RHEL 3 : kernel (RHSA-2004:549)	Nessus	Red Hat Local Security Checks	2004/12/13	2021/1/14	high
18161	RHEL 2.1 : kernel (RHSA-2005:283)	Nessus	Red Hat Local Security Checks	2005/4/29	2021/1/14	high
801607	Red Hat 2005-283 Security Check	Log Correlation Engine	Generic			high
801601	Red Hat 2004-549 Security Check	Log Correlation Engine	Generic			high

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