CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:M/Au:S/C:N/I:N/A:C
AI Score
Confidence
High
EPSS
Percentile
65.5%
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.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17d68b763f09a9ce824ae23eb62c9efc57b69271
lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
www.openwall.com/lists/oss-security/2013/12/12/12
www.securityfocus.com/bid/64319
www.ubuntu.com/usn/USN-2113-1
www.ubuntu.com/usn/USN-2117-1
www.ubuntu.com/usn/USN-2136-1
bugzilla.redhat.com/show_bug.cgi?id=1033106
github.com/torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271