Race Condition Affecting perf package, versions <0:3.10.0-693.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-ORACLE7-PERF-2515141
  • published10 Apr 2022
  • disclosed2 May 2016

Introduced: 2 May 2016

CVE-2015-8839  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:7 perf to version 0:3.10.0-693.el7 or higher.
This issue was patched in ELSA-2017-1842.

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:7 relevant fixed versions and status.

Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.

CVSS Scores

version 3.1