CVE-2012-2137

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    CVE-2012-2137

    Published: 22 Jan 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Buffer overflow in virt/kvm/irq_comm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to Message Signaled Interrupts (MSI), irq routing entries, and an incorrect check by the setup_routing_entry function before invoking the kvm_set_irq function.

    References: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=f2ebd422f71cda9c791f76f85d2ca102ae34a1ed, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html, http://marc.info/?l=bugtraq&m=139447903326211&w=2, http://rhn.redhat.com/errata/RHSA-2012-0743.html, http://secunia.com/advisories/50952, http://secunia.com/advisories/50961, http://ubuntu.5.n6.nabble.com/PATCH-Oneiric-CVE-2012-2137-KVM-Fix-buffer-overflow-in-kvm-set-irq-td4990566.html, http://ubuntu.com/usn/usn-1529-1, http://ubuntu.com/usn/usn-1607-1, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24, http://www.securityfocus.com/bid/54063, http://www.ubuntu.com/usn/USN-1594-1, http://www.ubuntu.com/usn/USN-1606-1, http://www.ubuntu.com/usn/USN-1609-1, https://bugzilla.redhat.com/show_bug.cgi?id=816151, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html, http://marc.info/?l=bugtraq&m=139447903326211&w=2, https://bugzilla.redhat.com/show_bug.cgi?id=816151

    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