Resource Leak Affecting perf package, versions <0:4.18.0-553.22.1.el8_10
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Test your applications- Snyk ID SNYK-RHEL8-PERF-7036207
- published 23 May 2024
- disclosed 22 May 2024
Introduced: 22 May 2024
CVE-2021-47466 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-553.22.1.el8_10 or higher.
This issue was patched in RHSA-2024:7000.
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 the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential memoryleak in kmem_cache_open()
In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.
References
- https://access.redhat.com/security/cve/CVE-2021-47466
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f
- https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461