CVE-2013-6376

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    CVE-2013-6376

    Published: 14 Dec 2013Last Modified: 16 Apr 2026

    Summary:

    Details: The recalculate_apic_map function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (host OS crash) via a crafted ICR write operation in x2apic mode.

    References: http://www.ubuntu.com/usn/USN-2113-1, http://www.ubuntu.com/usn/USN-2117-1, http://www.ubuntu.com/usn/USN-2136-1, https://github.com/torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271, https://github.com/torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271, https://bugzilla.redhat.com/show_bug.cgi?id=1033106, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17d68b763f09a9ce824ae23eb62c9efc57b69271, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html, http://www.openwall.com/lists/oss-security/2013/12/12/12, http://www.securityfocus.com/bid/64319

    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
    CVE-2013-6376 | CVE-DB