| Name | CVE-2023-23039 |
| Description | An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove(). |
| 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 | vulnerable |
| bullseye | 5.10.178-3 | vulnerable |
| bullseye (security) | 5.10.191-1 | vulnerable |
| bookworm | 6.1.38-1 | vulnerable |
| bookworm (security) | 6.1.52-1 | vulnerable |
| sid, trixie | 6.5.3-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://lore.kernel.org/lkml/20230102010528.2868403-1-yoochan1026@gmail.com/
CONFIG_VCC depends on CONFIG_SUN_LDOMS, which is SPARC64 only