CVE-2012-2133
MEDIUM · CVSS 4.0EPSS 0.3%EU EUVD
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.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:H/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 0.3% (28th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-2133)
- Published
- July 3, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-2133 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://www.debian.org/security/2012/dsa-2469
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
- http://www.openwall.com/lists/oss-security/2012/04/24/12
- http://www.securityfocus.com/bid/53233
- https://bugzilla.redhat.com/show_bug.cgi?id=817430
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75168
- https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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