{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31543", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.114Z", "datePublished": "2026-04-24T14:33:12.163Z", "dateUpdated": "2026-04-24T14:33:12.163Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-24T14:33:12.163Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/crash_dump_dm_crypt.c"], "versions": [{"version": "479e58549b0fa7e80f1e0b9e69e0a2a8e6711132", "lessThan": "4897bd307ba8757c31a3325ba6730961be606016", "status": "affected", "versionType": "git"}, {"version": "479e58549b0fa7e80f1e0b9e69e0a2a8e6711132", "lessThan": "ed8d91f469845d62d44c565a55d2ab1767969357", "status": "affected", "versionType": "git"}, {"version": "479e58549b0fa7e80f1e0b9e69e0a2a8e6711132", "lessThan": "36f46b0e36892eba08978eef7502ff3c94ddba77", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/crash_dump_dm_crypt.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.20", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.10", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}]}]}], "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-31543", "lastModified": "2026-04-24T17:51:40.810", "metrics": {}, "published": "2026-04-24T15:16:28.350", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36f46b0e36892eba08978eef7502ff3c94ddba77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4897bd307ba8757c31a3325ba6730961be606016"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed8d91f469845d62d44c565a55d2ab1767969357"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying", "id": "2461549", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461549"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-215", "details": ["A flaw was found in the Linux kernel. When debug logging is enabled, the `read_key_from_user_keying` function logs the initial 8 bytes of the key payload. This action partially exposes the dm-crypt key, leading to information disclosure."], "name": "CVE-2026-31543", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31543\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31543\nhttps://lore.kernel.org/linux-cve-announce/2026042423-CVE-2026-31543-803c@gregkh/T"], "threat_severity": "Moderate"}

{}