CVE-2026-31543

MEDIUM

crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying

Title source: cna

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.

References (3)

Core 3

Core References

https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016

https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357

https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 2.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (10)

Linux/Linux < 6.16

Linux/Linux 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 - 36f46b0e36892eba08978eef7502ff3c94ddba77

Linux/Linux 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 - 4897bd307ba8757c31a3325ba6730961be606016

Linux/Linux 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 - ed8d91f469845d62d44c565a55d2ab1767969357

Linux/Linux 6.16

Linux/Linux 6.18.20 - 6.18.*

Linux/Linux 6.19.10 - 6.19.*

Linux/Linux 7.0

linux/linux_kernel 7.0 rc1 (4 CPE variants)

linux/linux_kernel 6.16 - 6.18.20

Published Apr 24, 2026

Tracked Since Apr 24, 2026