Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - 4.11.2 までの Linux カーネルの crypto/skcipher.c の crypto_skcipher_init_tfm 関数は、キーサイズチェックがない setkey 関数に依存しています。これにより、ローカルユーザーが、細工されたアプリケーションを通じて、サービス拒否（NULL ポインターデリファレンス）を引き起こす可能性があります。 （CVE-2017-9211）

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 在 4.11.2 之前的 Linux 核心中，crypto/skcipher.c 的 crypto_skcipher_init_tfm 函式依賴缺少金鑰大小檢查的 setkey 函式，進而允許本機使用者透過特製的應用程式造成拒絕服務 (NULL 指標解除參照)。 (CVE-2017-9211)

請注意，Nessus 依賴供應商報告的套件存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 4.11.2 及之前版本的 Linux 内核的 crypto/skcipher.c 中的 crypto_skcipher_init_tfm 函数依赖于缺少密钥大小检查的 setkey 函数，从而允许本地用户通过构建的应用程序造成拒绝服务（空指针取消引用）。 (CVE-2017-9211)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The crypto_skcipher_init_tfm function in crypto/skcipher.c in the Linux kernel through 4.11.2 relies on a     setkey function that lacks a key-size check, which allows local users to cause a denial of service (NULL     pointer dereference) via a crafted application. (CVE-2017-9211)

Note that Nessus relies on the presence of the package as reported by the vendor.

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - The atalk_recvmsg function in net/appletalk/ddp.c in     the Linux kernel before 3.12.4 updates a certain length     value without ensuring that an associated data     structure has been initialized, which allows local     users to obtain sensitive information from kernel     memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg     system call.(CVE-2013-7267i1/4%0

  - fs/f2fs/segment.c in the Linux kernel allows local     users to cause a denial of service (NULL pointer     dereference and panic) by using a noflush_merge option     that triggers a NULL value for a flush_cmd_control data     structure.(CVE-2017-18241i1/4%0

  - fs/pnode.c in the Linux kernel before 4.5.4 does not     properly traverse a mount propagation tree in a certain     case involving a slave mount, which allows local users     to cause a denial of service (NULL pointer dereference     and OOPS) via a crafted series of mount system     calls.(CVE-2016-4581i1/4%0

  - drivers/vhost/net.c in the Linux kernel before 3.13.10,     when mergeable buffers are disabled, does not properly     validate packet lengths, which allows guest OS users to     cause a denial of service (memory corruption and host     OS crash) or possibly gain privileges on the host OS     via crafted packets, related to the handle_rx and     get_rx_bufs functions.(CVE-2014-0077i1/4%0

  - It was found that the fix for CVE-2016-9576 was     incomplete: the Linux kernel's sg implementation did     not properly restrict write operations in situations     where the KERNEL_DS option is set. A local attacker to     read or write to arbitrary kernel memory locations or     cause a denial of service (use-after-free) by     leveraging write access to a /dev/sg     device.(CVE-2016-10088i1/4%0

  - ** DISPUTED ** An issue was discovered in the Linux     kernel through 4.17.2. Since the page allocator does     not yield CPU resources to the owner of the oom_lock     mutex, a local unprivileged user can trivially lock up     the system forever by wasting CPU resources from the     page allocator (e.g., via concurrent page fault events)     when the global OOM killer is invoked. NOTE: the     software maintainer has not accepted certain proposed     patches, in part because of a viewpoint that 'the     underlying problem is non-trivial to     handle.'(CVE-2016-10723i1/4%0

  - A flaw was found in the way the Linux kernel's ASN.1     DER decoder processed certain certificate files with     tags of indefinite length. A local, unprivileged user     could use a specially crafted X.509 certificate DER     file to crash the system or, potentially, escalate     their privileges on the system.(CVE-2016-0758i1/4%0

  - A flaw was found in the way the Linux kernel's Stream     Control Transmission Protocol (SCTP) implementation     handled the association's output queue. A remote     attacker could send specially crafted packets that     would cause the system to use an excessive amount of     memory, leading to a denial of     service.(CVE-2014-3688i1/4%0

  - A use-after-free flaw was found in the way the     ping_init_sock() function of the Linux kernel handled     the group_info reference counter. A local, unprivileged     user could use this flaw to crash the system or,     potentially, escalate their privileges on the     system.(CVE-2014-2851i1/4%0

  - The compat_get_timex function in kernel/compat.c in the     Linux kernel before 4.16.9 allows local users to obtain     sensitive information from kernel memory via     adjtimex.(CVE-2018-11508i1/4%0

  - The cdc_parse_cdc_header() function in     'drivers/usb/core/message.c' in the Linux kernel,     before 4.13.6, allows local users to cause a denial of     service (out-of-bounds read and system crash) or     possibly have unspecified other impact via a crafted     USB device. Due to the nature of the flaw, privilege     escalation cannot be fully ruled out, although we     believe it is unlikely.(CVE-2017-16534i1/4%0

  - A flaw was found in the crypto subsystem of the Linux     kernel before version kernel-4.15-rc4. The 'null     skcipher' was being dropped when each af_alg_ctx was     freed instead of when the aead_tfm was freed. This can     cause the null skcipher to be freed while it is still     in use leading to a local user being able to crash the     system or possibly escalate     privileges.(CVE-2018-14619i1/4%0

  - The crypto_skcipher_init_tfm function in     crypto/skcipher.c in the Linux kernel through 4.11.2     relies on a setkey function that lacks a key-size     check, which allows local users to cause a denial of     service (NULL pointer dereference) via a crafted     application.(CVE-2017-9211i1/4%0

  - kernel/events/core.c in the performance subsystem in     the Linux kernel before 4.0 mismanages locks during     certain migrations, which allows local users to gain     privileges via a crafted application, aka Android     internal bug 30955111.(CVE-2016-6786i1/4%0

  - The KEYS subsystem in the Linux kernel omitted an     access-control check when writing a key to the current     task's default keyring, allowing a local user to bypass     security checks to the keyring. This compromises the     validity of the keyring for those who rely on     it.(CVE-2017-17807i1/4%0

  - A use-after-free flaw was found in the way the Linux     kernel's SCTP implementation handled authentication key     reference counting during INIT collisions. A remote     attacker could use this flaw to crash the system or,     potentially, escalate their privileges on the     system.(CVE-2015-1421i1/4%0

  - The waitid implementation in kernel/exit.c in the Linux     kernel through 4.13.4 accesses rusage data structures     in unintended cases. This can allow local users to     obtain sensitive information and bypass the KASLR     protection mechanism via a crafted system     call.(CVE-2017-14954i1/4%0

  - It was found that the Linux kernel's keyring     implementation would leak memory when adding a key to a     keyring via the add_key() function. A local attacker     could use this flaw to exhaust all available memory on     the system.(CVE-2015-1333i1/4%0

  - The msm_ipc_router_close function in     net/ipc_router/ipc_router_socket.c in the ipc_router     component for the Linux kernel 3.x, as used in Qualcomm     Innovation Center (QuIC) Android contributions for MSM     devices and other products, allow attackers to cause a     denial of service (NULL pointer dereference) or     possibly have unspecified other impact by triggering     failure of an accept system call for an AF_MSM_IPC     socket.(CVE-2016-5870i1/4%0

  - A reachable assertion failure flaw was found in the     Linux kernel built with KVM virtualisation(CONFIG_KVM)     support with Virtual Function I/O feature (CONFIG_VFIO)     enabled. This failure could occur if a malicious guest     device sent a virtual interrupt (guest IRQ) with a     larger (i1/4z1024) index value.(CVE-2017-1000252i1/4%0

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS 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
221493	Linux Distros のパッチ未適用の脆弱性: CVE-2017-9211	Nessus	Misc.	2025/3/4	2025/9/3	medium
221493	Linux Distros 未修補弱點：CVE-2017-9211	Nessus	Misc.	2025/3/4	2025/9/3	medium
221493	Linux Distros 未修补的漏洞: CVE-2017-9211	Nessus	Misc.	2025/3/4	2025/9/3	medium
221493	Linux Distros Unpatched Vulnerability : CVE-2017-9211	Nessus	Misc.	2025/3/4	2025/9/3	medium
124987	EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1534)	Nessus	Huawei Local Security Checks	2019/5/14	2024/5/22	high

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