CVE-2012-2625
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
2.7
Description
The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.
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
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://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1817
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2012-1130.html
- http://secunia.com/advisories/49184
- http://secunia.com/advisories/51413
- http://www.openwall.com/lists/oss-security/2012/10/26/3
- http://www.securityfocus.com/bid/53650
- http://www.securitytracker.com/id?1027090
- http://xenbits.xensource.com/hg/xen-unstable.hg/rev/60f09d1ab1fe
- https://security-tracker.debian.org/tracker/CVE-2012-2625
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.