{"id":"CVE-2026-46070","revision":"5041a196e31f44c593004b928ced5b7d","records":[{"revision":"5041a196e31f44c593004b928ced5b7d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46070","aliases":[],"title":"md/raid5: validate payload size before accessing journal metadata","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: validate payload size before accessing journal metadata\n\nr5c_recovery_analyze_meta_block() and\nr5l_recovery_verify_data_checksum_for_mb() iterate over payloads in a\njournal metadata block using on-disk payload size fields without\nvalidating them against the remaining space in the metadata block.\n\nA corrupted journal contains payload sizes extending beyond the PAGE_SIZE\nboundary can cause out-of-bounds reads when accessing payload fields or\ncomputing offsets.\n\nAdd bounds validation for each payload type to ensure the full payload\nfits within meta_size before processing.","state":0,"publishedAt":"2026-05-27T12:57:54.345+00:00","modifiedAt":"2026-10-19T19:26:42.78+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/raid5-cache.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"c96c6f01d84b5c67db1bf1cc8591c0b7146826fc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"ef4851d8324fd978ca1ff9ec76a275438f887743\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"28d3ff7109c66e99dc1b7cddacb5c760849620ef\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"33698bd1b2db9764a29df7751533d33967ff5c98\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"73ce72edd113374801045924d4417199963f73a3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"406aa86394ead347c47428fb51b6359bdaa2257d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b4c625c67362b3940f619c1a836b4e8329106658\",\n                            \"lessThan\": \"b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/raid5-cache.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.258\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.140\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.86\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.27\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.4\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/c96c6f01d84b5c67db1bf1cc8591c0b7146826fc","https://git.kernel.org/stable/c/ef4851d8324fd978ca1ff9ec76a275438f887743","https://git.kernel.org/stable/c/28d3ff7109c66e99dc1b7cddacb5c760849620ef","https://git.kernel.org/stable/c/33698bd1b2db9764a29df7751533d33967ff5c98","https://git.kernel.org/stable/c/c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e","https://git.kernel.org/stable/c/73ce72edd113374801045924d4417199963f73a3","https://git.kernel.org/stable/c/406aa86394ead347c47428fb51b6359bdaa2257d","https://git.kernel.org/stable/c/b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46070","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46070","identifiers":["CVE-2026-46070"]},"retained":false,"historicalAffected":[]}],"coverage":[]}