| Name | CVE-2021-45868 |
| Description | In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| 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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | stretch | 4.9.303-1 | |||
| linux | source | buster | 4.19.232-1 | |||
| linux | source | bullseye | 5.10.84-1 | |||
| linux | source | (unstable) | 5.15.3-1 |
https://git.kernel.org/linus/9bf3d20331295b1ecb81f4ed9ef358c51699a050
https://bugzilla.kernel.org/show_bug.cgi?id=214655
https://www.openwall.com/lists/oss-security/2022/03/17/1