Race Condition Affecting perf package, versions <0:2.6.32-131.12.1.el6


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-CENTOS6-PERF-2048260
  • published26 Jul 2021
  • disclosed2 Jun 2011

Introduced: 2 Jun 2011

CVE-2011-2183  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:6 perf to version 0:2.6.32-131.12.1.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.

Race condition in the scan_get_next_rmap_item function in mm/ksm.c in the Linux kernel before 2.6.39.3, when Kernel SamePage Merging (KSM) is enabled, allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted application.

CVSS Scores

version 3.1