CVE-2012-5517

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    CVE-2012-5517

    Published: 21 Dec 2012Last Modified: 10 Apr 2026

    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: http://rhn.redhat.com/errata/RHSA-2012-1580.html, http://www.ubuntu.com/usn/USN-1671-1, http://www.ubuntu.com/usn/USN-1673-1, http://www.ubuntu.com/usn/USN-1677-1, http://www.ubuntu.com/usn/USN-1678-1, http://www.ubuntu.com/usn/USN-1679-1, http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2, https://github.com/torvalds/linux/commit/08dff7b7d629807dbb1f398c68dd9cd58dd657a1, https://bugzilla.redhat.com/show_bug.cgi?id=875374, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=08dff7b7d629807dbb1f398c68dd9cd58dd657a1, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html, http://www.kernel.org/pub/linux/kernel/v3.x/, http://www.openwall.com/lists/oss-security/2012/11/13/11, http://www.securityfocus.com/bid/56527, https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html

    Affected packages

    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