CVE-2012-2137

Medium

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.

Package Linux Kernel
Published 2013-01-22
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

6.9

out of 10
Medium
Attack Vector
Local
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Vector string
AV:L/AC:M/Au:N/C:C/I:C/A:C

Weakness type

CWE-119

CVE-2012-2137 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2012-2137 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2012-2137?

    CVE-2012-2137 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2012-2137 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2012-2137?

    CVE-2012-2137 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C .

  • Is there a patch available for CVE-2012-2137?

    No patch is currently available for CVE-2012-2137. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2012-2137 actively exploited?

    No — CVE-2012-2137 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Buffer Overflow (CWE-119)?

    The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →