| Name | CVE-2026-31543 |
| Description | In the Linux kernel, the following vulnerability has been resolved: crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying When debug logging is enabled, read_key_from_user_keying() logs the first 8 bytes of the key payload and partially exposes the dm-crypt key. Stop logging any key bytes. |
| 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.251-5 | fixed |
| bookworm | 6.1.170-3 | fixed |
| bookworm (security) | 6.1.172-1 | fixed |
| trixie | 6.12.86-1 | fixed |
| trixie (security) | 6.12.90-1 | fixed |
| forky | 7.0.7-1 | fixed |
| sid | 7.0.9-1 | 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 | (not affected) | | | |
| linux | source | (unstable) | 6.19.10-1 | | | |
Notes
[trixie] - linux <not-affected> (Vulnerable code not present)
[bookworm] - linux <not-affected> (Vulnerable code not present)
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/36f46b0e36892eba08978eef7502ff3c94ddba77 (7.0-rc5)