CVE-2013-6400
Description
Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
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 | 4.4.0-1 |
| sid | Fixed | 4.4.0-1 |
| forky | Fixed | 4.4.0-1 |
| bullseye | Fixed | 4.4.0-1 |
| bookworm | Fixed | 4.4.0-1 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html
- http://secunia.com/advisories/55932
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2013/12/10/7
- http://www.securitytracker.com/id/1029468
- https://security-tracker.debian.org/tracker/CVE-2013-6400
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.