CVE-2012-2137
MEDIUM severity · CVSS 6.9 · Memory corruption
6.9CVSS MEDIUM
Summary
Buffer overflow in virt/kvm/irq_comm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to Message Signaled Interrupts (MSI), irq routing entries, and an incorrect check by the setup_routing_entry function before invoking the kvm_set_irq function.
Impact & exploitability
Attack vectorLocal
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:M/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=f2ebd422f71cda9c791f76f85d2ca102ae34a1edAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.htmlAdvisory
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0743.htmlAdvisory
- http://secunia.com/advisories/50952
- http://secunia.com/advisories/50961
- http://ubuntu.5.n6.nabble.com/PATCH-Oneiric-CVE-2012-2137-KVM-Fix-buffer-overflow-in-kvm-set-irq-td4990566.htmlAdvisory
- http://ubuntu.com/usn/usn-1529-1Advisory