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CVE-2026-31543

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 before 4897bd307ba8757c31a3325ba6730961be606016; affected 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 before ed8d91f469845d62d44c565a55d2ab1767969357; affected 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 before 36f46b0e36892eba08978eef7502ff3c94ddba77
Linux / Linuxaffected 6.16; unaffected 0 before 6.16; unaffected 6.18.20 through 6.18.*; unaffected 6.19.10 through 6.19.*; unaffected 7.0 through *

CWE

No CWE identifiers supplied.

References