Use After Free Affecting perf package, versions <0:4.18.0-305.el8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3972014
- published 26 Jul 2021
- disclosed 11 Jan 2021
Introduced: 11 Jan 2021
CVE-2021-0342 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578.
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.
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.