Use After Free Affecting perf package, versions <0:2.6.32-279.14.1.el6


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS6-PERF-2063485
  • published26 Jul 2021
  • disclosed22 Mar 2012

Introduced: 22 Mar 2012

CVE-2012-2133  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:6 perf to version 0:2.6.32-279.14.1.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1