| 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, ELA-661-1, ELA-696-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | vulnerable |
| stretch (lts), stretch | 4.9.320-3 | vulnerable |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed |
| bookworm | 6.1.115-1 | fixed |
| bookworm (security) | 6.1.119-1 | fixed |
| trixie | 6.12.5-1 | fixed |
| sid | 6.12.6-1 | fixed |
| linux-4.19 (PTS) | jessie, jessie (lts) | 4.19.316-1~deb8u1 | fixed |
| stretch (security) | 4.19.232-1~deb9u1 | vulnerable |
| stretch (lts), stretch | 4.19.316-1~deb9u1 | fixed |
| linux-5.10 (PTS) | stretch (lts), stretch | 5.10.226-1~deb9u1 | 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)