CVE-2012-2137
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 3.0.72 |
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 12.04 | Affected | — |
| 11.10 | Affected | — |
| 10.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.2.20-1 |
| sid | Fixed | 3.2.20-1 |
| forky | Fixed | 3.2.20-1 |
| bullseye | Fixed | 3.2.20-1 |
| bookworm | Fixed | 3.2.20-1 |
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
- https://security-tracker.debian.org/tracker/CVE-2012-2137
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.