Use After Free Affecting perf package, versions <0:4.18.0-193.56.1.el8_2
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3908494
- published 26 Jul 2021
- disclosed 18 Jan 2021
Introduced: 18 Jan 2021
CVE-2020-0466 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-193.56.1.el8_2 or higher.
This issue was patched in RHSA-2021:2185.
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 do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel