{"id":"CVE-2026-31543","title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrash_dump: don't log dm-crypt key bytes in read_key_from_user_keying\n\nWhen debug logging is enabled, read_key_from_user_keying() logs the first\n8 bytes of the key payl…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < 4897bd307ba8757c31a3325ba6730961be606016","Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < ed8d91f469845d62d44c565a55d2ab1767969357","Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < 36f46b0e36892eba08978eef7502ff3c94ddba77","Linux 6.16"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:38:21.530520Z"},"published":"2026-04-24","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:45:07.243Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31543","references":[{"url":"https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016"},{"url":"https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357"},{"url":"https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77"}],"tags":["cve.org"],"epss":0.00121,"epssPercentile":0.01905,"ingestedAt":"2026-11-05T23:41:31.970Z","slug":"CVE-2026-31543","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncrash_dump: don't log dm-crypt key bytes in read_key_from_user_keying\n\nWhen debug logging is enabled, read_key_from_user_keying() logs the first\n8 bytes of the key payload and partially exposes the dm-crypt key.  Stop\nlogging any key bytes.\n\n## Affected\n\n- `Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < 4897bd307ba8757c31a3325ba6730961be606016`\n- `Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < ed8d91f469845d62d44c565a55d2ab1767969357`\n- `Linux >= 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 < 36f46b0e36892eba08978eef7502ff3c94ddba77`\n- `Linux 6.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}