Race Condition Affecting perf package, versions <0:4.18.0-477.36.1.el8_8
Threat Intelligence
EPSS
0.04% (14th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-PERF-6094587
- published 29 Nov 2023
- disclosed 21 Nov 2022
How to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-477.36.1.el8_8 or higher.
This issue was patched in RHSA-2023:7539.
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.
An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
References
- https://access.redhat.com/security/cve/CVE-2022-45919
- https://lore.kernel.org/linux-media/20221121063308.GA33821@ubuntu/T/#u
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=280a8ab81733da8bc442253c700a52c4c0886ffd
- https://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#u
- https://security.netapp.com/advisory/ntap-20230113-0008/
CVSS Scores
version 3.1