Out-of-Bounds Affecting perf package, versions <0:2.6.32-220.17.1.el6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE6-PERF-2464847
  • published10 Apr 2022
  • disclosed3 Jul 2012

Introduced: 3 Jul 2012

CVE-2011-4086  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Oracle:6 perf to version 0:2.6.32-220.17.1.el6 or higher.
This issue was patched in ELSA-2012-0571.

NVD Description

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

The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.

CVSS Scores

version 3.1