CVE-2012-2934
low
CVSS v3
—
CVSS v2
1.9
VIR risk
1.9
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
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-2934
Vendor advisory: cve@mitre.org — http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| debian | bullseye | fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| debian | forky | fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| debian | sid | fixed | 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1 |
| debian | trixie | 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
Verify integrity in audit chain (admin only). AS-IS.