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


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDEBUGDEVEL-1448520
  • 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 RHEL:6 kernel-debug-devel to version 0:2.6.32-279.14.1.el6 or higher.
This issue was patched in RHSA-2012:1426.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL. See How to fix? for RHEL: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