CVE-2012-2137
CVE-2012-2137 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.9)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2012-2137?
- 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.
- How severe is CVE-2012-2137?
- CVE-2012-2137 has a CVSS 2.0 base score of 6.9, rated medium severity.
- Is CVE-2012-2137 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-2137?
- CVE-2012-2137 primarily affects Linux Linux Kernel. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-2137?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-2137 published?
- CVE-2012-2137 was published on 2013-01-22 and last updated on 2026-06-16.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=f2ebd422f71cda9c791f76f85d2ca102ae34a1ed
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0743.html
- 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.html
- http://ubuntu.com/usn/usn-1529-1
- http://ubuntu.com/usn/usn-1607-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- http://www.securityfocus.com/bid/54063
- http://www.ubuntu.com/usn/USN-1594-1
- http://www.ubuntu.com/usn/USN-1606-1
- http://www.ubuntu.com/usn/USN-1609-1
- https://bugzilla.redhat.com/show_bug.cgi?id=816151
Affected products (4)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
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