CVE-2013-4591

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    CVE-2013-4591

    Published: 20 Nov 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Buffer overflow in the __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a getxattr system call for the system.nfs4_acl extended attribute of a pathname on an NFSv4 filesystem.

    References: http://rhn.redhat.com/errata/RHSA-2013-1645.html, http://rhn.redhat.com/errata/RHSA-2014-0284.html, https://github.com/torvalds/linux/commit/7d3e91a89b7adbc2831334def9e494dd9892f9af, https://github.com/torvalds/linux/commit/7d3e91a89b7adbc2831334def9e494dd9892f9af, https://bugzilla.redhat.com/show_bug.cgi?id=1031678, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7d3e91a89b7adbc2831334def9e494dd9892f9af, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2, http://www.openwall.com/lists/oss-security/2013/11/18/2, http://www.securityfocus.com/bid/63791

    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