UBUNTU-CVE-2011-4131

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    UBUNTU-CVE-2011-4131

    Published: 17 May 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2011-4131
    Aliases:
    USN-1457-1
    USN-1470-1
    USN-1471-1

    Summary:

    Details: The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.

    References: https://ubuntu.com/security/CVE-2011-4131, http://www.openwall.com/lists/oss-security/2011/11/13/3, https://ubuntu.com/security/notices/USN-1457-1, 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-1476-1, https://ubuntu.com/security/notices/USN-1530-1, https://www.cve.org/CVERecord?id=CVE-2011-4131

    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