Race Condition Affecting perf package, versions <0:2.6.32-754.35.1.0.6.el6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-ORACLE6-PERF-3023650
  • published10 Apr 2022
  • disclosed15 Dec 2021

Introduced: 15 Dec 2021

CVE-2021-0920  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:6 perf to version 0:2.6.32-754.35.1.0.6.el6 or higher.
This issue was patched in ELSA-2022-9781.

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.

In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel

CVSS Scores

version 3.1