CVE-2026-31543

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

published April 24, 2026

CVSS
—
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2026-04-24T14:33Z
EPSS history
Timeline
  • 24 APR 14:33Z
    crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying
    cvelistv5