Use After Free Affecting kernel-rt package, versions *
Threat Intelligence
EPSS
0.08% (34th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRT-3239368
- published 19 Jan 2023
- disclosed 18 Sep 2022
Introduced: 18 Sep 2022
CVE-2022-44033 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4040_cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open(), aka a race condition between cm4040_open() and reader_detach().
References
- https://access.redhat.com/security/cve/CVE-2022-44033
- https://lore.kernel.org/lkml/20220915020834.GA110086@ubuntu/
- https://lore.kernel.org/lkml/20220919040457.GA302681@ubuntu/
- https://lore.kernel.org/lkml/20220915020834.GA110086%40ubuntu/
- https://lore.kernel.org/lkml/20220919040457.GA302681%40ubuntu/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b12f050c76f090cc6d0aebe0ef76fed79ec3f15
CVSS Scores
version 3.1