CVE-2022-45919

NameCVE-2022-45919
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye (security), bullseye5.10.218-1fixed
bookworm6.1.94-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.9.8-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.289-1
linuxsourcebullseye5.10.191-1
linuxsourcebookworm6.1.37-1
linuxsource(unstable)6.3.7-1unimportant

Notes

https://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#u
Negligible security impact, would need physical access to "exploit"
https://git.kernel.org/linus/280a8ab81733da8bc442253c700a52c4c0886ffd

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