CVE-2013-1792

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    CVE-2013-1792

    Published: 22 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.

    References: http://rhn.redhat.com/errata/RHSA-2013-0744.html, http://www.mandriva.com/security/advisories?name=MDVSA-2013:176, http://www.ubuntu.com/usn/USN-1787-1, http://www.ubuntu.com/usn/USN-1788-1, http://www.ubuntu.com/usn/USN-1792-1, http://www.ubuntu.com/usn/USN-1793-1, http://www.ubuntu.com/usn/USN-1794-1, http://www.ubuntu.com/usn/USN-1795-1, http://www.ubuntu.com/usn/USN-1796-1, http://www.ubuntu.com/usn/USN-1797-1, http://www.ubuntu.com/usn/USN-1798-1, https://github.com/torvalds/linux/commit/0da9dfdd2cd9889201bc6f6f43580c99165cd087, https://bugzilla.redhat.com/show_bug.cgi?id=916646, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0da9dfdd2cd9889201bc6f6f43580c99165cd087, http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3, http://www.openwall.com/lists/oss-security/2013/03/07/1

    Affected packages

    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
    CVE-2013-1792 | CVE-DB