UBUNTU-CVE-2012-5517

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    UBUNTU-CVE-2012-5517

    Published: 11 Nov 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-5517
    Aliases:
    USN-1669-1
    USN-1670-1
    USN-1671-1

    Summary:

    Details: The online_pages function in mm/memory_hotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact in opportunistic circumstances by using memory that was hot-added by an administrator.

    References: https://ubuntu.com/security/CVE-2012-5517, http://www.openwall.com/lists/oss-security/2012/11/10/11, http://www.openwall.com/lists/oss-security/2012/11/11, https://ubuntu.com/security/notices/USN-1669-1, https://ubuntu.com/security/notices/USN-1670-1, https://ubuntu.com/security/notices/USN-1671-1, https://ubuntu.com/security/notices/USN-1673-1, https://ubuntu.com/security/notices/USN-1677-1, https://ubuntu.com/security/notices/USN-1678-1, https://ubuntu.com/security/notices/USN-1679-1, https://ubuntu.com/security/notices/USN-1704-1, https://www.cve.org/CVERecord?id=CVE-2012-5517

    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