CVE-2013-6376

Published: 14 December 2013

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.

From the Ubuntu security team

Lars Bull discovered a flaw in the recalculate_apic_map function of the Kernel Virtual Machine (KVM) subsystem in the Linux kernel. A guest OS user could exploit this flaw to cause a denial of service (host OS crash).

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6376
• https://ubuntu.com/security/notices/USN-2113-1
• https://ubuntu.com/security/notices/USN-2117-1
• https://ubuntu.com/security/notices/USN-2136-1
• NVD
• Launchpad
• Debian

Bugs

• https://launchpad.net/bugs/1261570