UBUNTU-CVE-2017-9211

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    UBUNTU-CVE-2017-9211

    Published: 23 May 2017Last Modified: 24 Oct 2025
    Upstream:
    CVE-2017-9211

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2017-9211, https://git.kernel.org/linus/9933e113c2e87a9f46a40fde8dafbf801dca1ab9, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9933e113c2e87a9f46a40fde8dafbf801dca1ab9, https://github.com/torvalds/linux/commit/9933e113c2e87a9f46a40fde8dafbf801dca1ab9, https://patchwork.kernel.org/patch/9718933/, https://www.cve.org/CVERecord?id=CVE-2017-9211

    Affected packages

    Package

    Name: linux-gcp

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.13.0-1002.5

    Affected versions

    4.10.0-1004.4
    4.10.0-1006.6
    4.10.0-1007.7
    4.10.0-1008.8
    4.10.0-1009.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2017-9211 | CVE-DB