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CVE-2012-2133
Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of…
Medium4.0EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:L/AC:H/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.34% · top 72% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Weakness
Affected products
n/a
- affected n/a
References (9)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2469 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=817430 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2012:0616 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20120424 Re: CVE Request: use after free bug in "quota" handling in hugetlb code (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 53233 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- linux-kernel-hugepages-dos(75168) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029 (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2012-2133)Record last updated .