Race Condition Affecting kernel-rt-debug-modules package, versions <0:4.18.0-372.16.1.rt7.173.el8_6
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULES-2858753
- published 4 Jun 2022
- disclosed 20 May 2022
Introduced: 20 May 2022
CVE-2022-1729 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-debug-modules to version 0:4.18.0-372.16.1.rt7.173.el8_6 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules package and not the kernel-rt-debug-modules package as distributed by Centos.
See How to fix? for Centos:8 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.
References
- https://access.redhat.com/security/cve/CVE-2022-1729
- https://access.redhat.com/errata/RHSA-2022:5565
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3ac6487e584a1eb54071dbe1212e05b884136704
- https://security.netapp.com/advisory/ntap-20230214-0006/
- https://www.openwall.com/lists/oss-security/2022/05/20/2