Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.12.5 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- 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/17d68b763f09a9ce824ae23eb62c9efc57b6927ExploitPatch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- 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
FAQ
What is CVE-2013-6376?
CVE-2013-6376 is a vulnerability with a CVSS score of 5.2 (MEDIUM). 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 w...
How severe is CVE-2013-6376?
CVE-2013-6376 has been rated MEDIUM with a CVSS base score of 5.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-6376?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.