CVE-2012-2934
Description
Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217.
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
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| sid | Fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| forky | Fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| bullseye | Fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| bookworm | Fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.amd.com/us/Processor_TechDocs/25759.pdf
- http://www.debian.org/security/2012/dsa-2501
- http://www.securityfocus.com/bid/53961
- https://security-tracker.debian.org/tracker/CVE-2012-2934
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.