Use After Free Affecting perf package, versions <0:4.18.0-240.22.1.el8_3
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL8-PERF-3964594
- 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 0:4.18.0-240.22.1.el8_3 or higher.
This issue was patched in RHSA-2021:1093.
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