| Name | CVE-2026-43393 |
| Description | In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.251-4 | fixed | |
| bookworm | 6.1.159-1 | fixed | |
| bookworm (security) | 6.1.170-1 | fixed | |
| trixie | 6.12.73-1 | vulnerable | |
| trixie (security) | 6.12.86-1 | fixed | |
| forky | 6.19.14-1 | fixed | |
| sid | 7.0.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | bullseye | (not affected) | |||
| linux | source | bookworm | (not affected) | |||
| linux | source | trixie | 6.12.85-1 | |||
| linux | source | (unstable) | 6.19.10-1 |
[bookworm] - linux <not-affected> (Vulnerable code not present)
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/f15fb3d41543244d1179f423da4a4832a55bc050 (7.0-rc3)