Race Condition Affecting kernel-debuginfo package, versions <0:4.14.281-212.502.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-2862881
- published 8 Jun 2022
- disclosed 1 Sep 2022
Introduced: 8 Jun 2022
CVE-2022-1729 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.281-212.502.amzn2 or higher.
This issue was patched in ALAS2-2022-1798.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several exploit primitives such as kernel address information leak, arbitrary execution, etc.