{"id":"CVE-2026-31543","state":"PUBLISHED","title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying","description":"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 payload and partially exposes the dm-crypt key.  Stop\nlogging any key bytes.","publishedAt":"2026-04-24T14:33:12.163Z","updatedAt":"2026-05-11T22:10:48.645Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"4897bd307ba8757c31a3325ba6730961be606016","versionType":"git"},{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"ed8d91f469845d62d44c565a55d2ab1767969357","versionType":"git"},{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"36f46b0e36892eba08978eef7502ff3c94ddba77","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/crash_dump_dm_crypt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.10","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/crash_dump_dm_crypt.c"]}],"references":["https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016","https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357","https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31543.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31543","state":"PUBLISHED","datePublished":"2026-04-24T14:33:12.163Z","dateUpdated":"2026-05-11T22:10:48.645Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.114Z"},"containers":{"cna":{"title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying","descriptions":[{"lang":"en","value":"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 payload and partially exposes the dm-crypt key.  Stop\nlogging any key bytes."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"4897bd307ba8757c31a3325ba6730961be606016","versionType":"git"},{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"ed8d91f469845d62d44c565a55d2ab1767969357","versionType":"git"},{"version":"479e58549b0fa7e80f1e0b9e69e0a2a8e6711132","status":"affected","lessThan":"36f46b0e36892eba08978eef7502ff3c94ddba77","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/crash_dump_dm_crypt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.10","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/crash_dump_dm_crypt.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:10:48.645Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}