UBUNTU-CVE-2012-2133

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    UBUNTU-CVE-2012-2133

    Published: 24 Apr 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-2133
    Aliases:
    USN-1457-1
    USN-1468-1
    USN-1469-1

    Summary:

    Details: Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.

    References: https://ubuntu.com/security/CVE-2012-2133, http://www.openwall.com/lists/oss-security/2012/04/24, https://ubuntu.com/security/notices/USN-1457-1, https://ubuntu.com/security/notices/USN-1468-1, https://ubuntu.com/security/notices/USN-1469-1, https://ubuntu.com/security/notices/USN-1470-1, https://ubuntu.com/security/notices/USN-1471-1, https://ubuntu.com/security/notices/USN-1472-1, https://ubuntu.com/security/notices/USN-1473-1, https://ubuntu.com/security/notices/USN-1474-1, https://ubuntu.com/security/notices/USN-1476-1, https://www.cve.org/CVERecord?id=CVE-2012-2133

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.11.0-12.19

    Affected versions

    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-2012-2133 | CVE-DB