| Name | CVE-2023-0266 |
| Description | A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3349-1, DLA-3403-1, DSA-5324-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.234-1 | fixed | |
| bookworm | 6.1.129-1 | fixed | |
| bookworm (security) | 6.1.128-1 | fixed | |
| trixie | 6.12.19-1 | fixed | |
| sid | 6.12.20-1 | 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 | 4.19.282-1 | DLA-3403-1 | ||
| linux | source | bullseye | 5.10.162-1 | DSA-5324-1 | ||
| linux | source | (unstable) | 6.1.7-1 | |||
| linux-5.10 | source | buster | 5.10.162-1~deb10u1 | DLA-3349-1 |
https://git.kernel.org/linus/56b88b50565cd8b946a2d00b0c83927b7ebb055e