National Cyber-Alert System
Vulnerability Summary for CVE-2012-2137
Original release date:01/22/2013
Last revised:02/12/2013
Source:
US-CERT/NIST
Overview
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
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f2ebd422f71cda9c791f76f85d2ca102ae34a1ed
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=816151
External Source: UBUNTU
Name: USN-1609-1
External Source: UBUNTU
Name: USN-1606-1
External Source: UBUNTU
Name: USN-1594-1
External Source: BID
Name: 54063
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
External Source: UBUNTU
Name: USN-1607-1
External Source: UBUNTU
Name: USN-1529-1
External Source: MISC
Name: http://ubuntu.5.n6.nabble.com/PATCH-Oneiric-CVE-2012-2137-KVM-Fix-buffer-overflow-in-kvm-set-irq-td4990566.html
External Source: REDHAT
Name: RHSA-2012:0743
