CVE-2013-6376 Information

Description

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.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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 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://bugzilla.redhat.com/show_bug.cgi?id=1033106 https://github.com/torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271