Use After Free Affecting kernel-debug-modules package, versions <0:4.18.0-240.15.1.el8_3
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGMODULES-3983338
- published 26 Jul 2021
- disclosed 6 Nov 2020
Introduced: 6 Nov 2020
CVE-2020-14351 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-240.15.1.el8_3 or higher.
This issue was patched in RHSA-2021:0558.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules 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. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.