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


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2065203
  • published26 Jul 2021
  • disclosed6 Jul 2012

Introduced: 6 Jul 2012

CVE-2012-3511  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-debug 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 kernel-debug package and not the kernel-debug package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

Multiple race conditions in the madvise_remove function in mm/madvise.c in the Linux kernel before 3.4.5 allow local users to cause a denial of service (use-after-free and system crash) via vectors involving a (1) munmap or (2) close system call.

CVSS Scores

version 3.1