CVE-2012-2133

Name: CVE-2012-2133
Creator: NVD / NIST
Published: 2012-07-03T16:40:32.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.34%

Last modified Jun 16, 2026

CVE-2012-2133 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.34%

26.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 3.3.5
Linux	Linux Kernel	3.3
Linux	Linux Kernel	3.3.1
Linux	Linux Kernel	3.3.2
Linux	Linux Kernel	3.3.3
Linux	Linux Kernel	3.3.4

References

Timeline

Published: Jul 3, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-2133?

How severe is CVE-2012-2133?

Severity scoring for CVE-2012-2133 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2012-2133?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-2133?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST