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CVE-2012-1146
The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple…
Medium5.5EPSS 0.52%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- SUSE-SU-2012:0554 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f (opens in a new tab)x_refsource_CONFIRMx_transferred
- 48898 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20120307 Re: CVE request -- kernel: mm: memcg: unregistring of events attached to the same eventfd can lead to oops (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 48964 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- kernel-memcg-dos(73711) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2012-3712 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=800813 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .