CVE-2012-1146
Description
The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events.
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
Fedora Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 16 | Affected | — |
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 3.2.10 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 11 | Affected | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://secunia.com/advisories/48898
- http://secunia.com/advisories/48964
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10
- http://www.openwall.com/lists/oss-security/2012/03/07/3
- https://bugzilla.redhat.com/show_bug.cgi?id=800813
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73711
- https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://secunia.com/advisories/48898
- http://secunia.com/advisories/48964
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10
- http://www.openwall.com/lists/oss-security/2012/03/07/3
- https://bugzilla.redhat.com/show_bug.cgi?id=800813
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73711
- https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.