CVE-2012-4537
Description
Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."
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 | 4.1.3-4 |
| sid | Fixed | 4.1.3-4 |
| forky | Fixed | 4.1.3-4 |
| bullseye | Fixed | 4.1.3-4 |
| bookworm | Fixed | 4.1.3-4 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.xen.org/archives/html/xen-announce/2012-11/msg00005.html
- http://osvdb.org/87307
- http://rhn.redhat.com/errata/RHSA-2012-1540.html
- http://secunia.com/advisories/51200
- http://secunia.com/advisories/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/51468
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2582
- http://www.openwall.com/lists/oss-security/2012/11/13/6
- http://www.securityfocus.com/bid/56498
- http://www.securitytracker.com/id?1027761
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80024
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2012-4537
CWEs
CWE-16
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.