Resource Exhaustion Affecting perf package, versions <0:2.6.32-131.12.1.el6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL6-PERF-1433378
  • published26 Jul 2021
  • disclosed31 May 2011

Introduced: 31 May 2011

CVE-2011-2491  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:6 perf to version 0:2.6.32-131.12.1.el6 or higher.
This issue was patched in RHSA-2011:1189.

NVD Description

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

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

CVSS Scores

version 3.1