Use After Free Affecting perf package, versions <0:4.18.0-240.el8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3818993
- published 26 Jul 2021
- disclosed 7 May 2020
Introduced: 7 May 2020
CVE-2020-14381 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431.
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:8 relevant fixed versions and status.
A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.