| Name | CVE-2022-45919 |
| Description | 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. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| linux (PTS) | buster | 4.19.249-2 | vulnerable |
| buster (security) | 4.19.289-2 | fixed |
| bullseye | 5.10.197-1 | fixed |
| bullseye (security) | 5.10.191-1 | fixed |
| bookworm | 6.1.55-1 | fixed |
| bookworm (security) | 6.1.52-1 | fixed |
| trixie | 6.5.10-1 | fixed |
| sid | 6.5.13-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | buster | 4.19.289-1 | | | |
| linux | source | bullseye | 5.10.191-1 | | | |
| linux | source | bookworm | 6.1.37-1 | | | |
| linux | source | (unstable) | 6.3.7-1 | unimportant | | |
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