{"api_version":"1","generated_at":"2026-06-04T07:24:34+00:00","cve":"CVE-2026-31543","urls":{"html":"https://cve.report/CVE-2026-31543","api":"https://cve.report/api/cve/CVE-2026-31543.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31543","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31543"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:28","updated_at":"2026-04-28 18:46:51"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77","name":"https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016","name":"https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357","name":"https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31543","name":"CVE 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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."}],"providerMetadata":{"dateUpdated":"2026-04-24T14:33:12.163Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}],"title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31543","datePublished":"2026-04-24T14:33:12.163Z","dateReserved":"2026-03-09T15:48:24.114Z","dateUpdated":"2026-04-24T14:33:12.163Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:28","lastModifiedDate":"2026-04-28 18:46:51","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.20","matchCriteriaId":"1C570CE1-BC61-4BE6-9393-FD0CA8637367"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.10","matchCriteriaId":"96D34333-38BE-4414-9E79-6EB764329581"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31543","Ordinal":"1","Title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_k","CVE":"CVE-2026-31543","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31543","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"crash_dump: don't log dm-crypt key bytes in read_key_from_user_k"}]}}}