| Name | CVE-2021-33655 |
| Description | When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. |
| 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-3131-1, DSA-5191-1 |
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) | 4.19.304-1 | fixed |
| bullseye | 5.10.209-2 | fixed |
| bullseye (security) | 5.10.205-2 | fixed |
| bookworm | 6.1.76-1 | fixed |
| bookworm (security) | 6.1.85-1 | fixed |
| trixie | 6.6.15-2 | fixed |
| sid | 6.7.9-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://git.kernel.org/linus/65a01e601dbba8b7a51a2677811f70f783766682 (5.19-rc7)
https://git.kernel.org/linus/e64242caef18b4a5840b0e7a9bff37abd4f4f933 (5.19-rc7)
https://git.kernel.org/linus/6c11df58fd1ac0aefcb3b227f72769272b939e56 (5.19-rc7)