UBUNTU-CVE-2013-7421

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    UBUNTU-CVE-2013-7421

    Published: 31 Dec 2013Last Modified: 22 Apr 2026
    Upstream:
    CVE-2013-7421
    Aliases:
    USN-2513-1
    USN-2514-1
    USN-2543-1

    Summary:

    Details: The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.

    References: https://ubuntu.com/security/CVE-2013-7421, https://lkml.org/lkml/2013/3/4/70, https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5d26a105b5a7, https://ubuntu.com/security/notices/USN-2513-1, https://ubuntu.com/security/notices/USN-2514-1, https://ubuntu.com/security/notices/USN-2543-1, https://ubuntu.com/security/notices/USN-2544-1, https://ubuntu.com/security/notices/USN-2545-1, https://ubuntu.com/security/notices/USN-2546-1, https://www.cve.org/CVERecord?id=CVE-2013-7421

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-48.80

    Affected versions

    3.11.0-12.19

    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