UBUNTU-CVE-2011-2494

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    UBUNTU-CVE-2011-2494

    Published: 3 Oct 2011Last Modified: 4 Feb 2026
    Upstream:
    CVE-2011-2494
    Aliases:
    USN-1236-1
    USN-1239-1
    USN-1240-1

    Summary:

    Details: kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.

    References: https://ubuntu.com/security/CVE-2011-2494, https://lkml.org/lkml/2011/6/24/88, http://www.openwall.com/lists/oss-security/2011/06/24/6, https://ubuntu.com/security/notices/USN-1236-1, https://ubuntu.com/security/notices/USN-1239-1, https://ubuntu.com/security/notices/USN-1242-1, https://ubuntu.com/security/notices/USN-1245-1, https://ubuntu.com/security/notices/USN-1241-1, https://ubuntu.com/security/notices/USN-1243-1, https://ubuntu.com/security/notices/USN-1244-1, https://ubuntu.com/security/notices/USN-1240-1, https://ubuntu.com/security/notices/USN-1253-1, https://ubuntu.com/security/notices/USN-1260-1, https://ubuntu.com/security/notices/USN-1275-1, https://ubuntu.com/security/notices/USN-1279-1, https://ubuntu.com/security/notices/USN-1281-1, https://ubuntu.com/security/notices/USN-1285-1, https://ubuntu.com/security/notices/USN-1294-1, https://www.cve.org/CVERecord?id=CVE-2011-2494

    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