CVE-2012-5515
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.7
Description
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Predictions
Exploit likelihood
20%
Patch ETA
—
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.1.3-5 |
| debian | bullseye | fixed | 4.1.3-5 |
| debian | forky | fixed | 4.1.3-5 |
| debian | sid | fixed | 4.1.3-5 |
| debian | trixie | fixed | 4.1.3-5 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.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.opensuse.org/opensuse-updates/2013-04/msg00051.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
- http://secunia.com/advisories/51397
- http://secunia.com/advisories/51468
- http://secunia.com/advisories/51486
- http://secunia.com/advisories/51487
- http://secunia.com/advisories/51495
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.citrix.com/article/CTX135777
- http://www.debian.org/security/2012/dsa-2582
- http://www.openwall.com/lists/oss-security/2012/12/03/9
- http://www.osvdb.org/88127
- http://www.securityfocus.com/bid/56798
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80479
- https://security-tracker.debian.org/tracker/CVE-2012-5515
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.