UBUNTU-CVE-2012-6542

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    UBUNTU-CVE-2012-6542

    Published: 7 Mar 2013Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-6542
    Aliases:
    USN-1599-1
    USN-1610-1
    USN-1648-1

    Summary:

    Details: The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel before 3.6 has an incorrect return value in certain circumstances, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that leverages an uninitialized pointer argument.

    References: https://ubuntu.com/security/CVE-2012-6542, http://www.openwall.com/lists/oss-security/2013/03/07, http://www.openwall.com/lists/oss-security/2013/03/07/2, https://ubuntu.com/security/notices/USN-1648-1, https://ubuntu.com/security/notices/USN-1649-1, https://ubuntu.com/security/notices/USN-1652-1, https://ubuntu.com/security/notices/USN-1610-1, https://ubuntu.com/security/notices/USN-1599-1, https://ubuntu.com/security/notices/USN-1805-1, https://ubuntu.com/security/notices/USN-1808-1, https://www.cve.org/CVERecord?id=CVE-2012-6542

    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