{"id":"CVE-2026-46070","summary":"md/raid5: validate payload size before accessing journal metadata","details":"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.","modified":"2026-06-26T11:56:35.901032893Z","published":"2026-05-27T12:57:54.345Z","related":["openSUSE-SU-2026:10954-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46070.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/28d3ff7109c66e99dc1b7cddacb5c760849620ef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/33698bd1b2db9764a29df7751533d33967ff5c98"},{"type":"WEB","url":"https://git.kernel.org/stable/c/406aa86394ead347c47428fb51b6359bdaa2257d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/73ce72edd113374801045924d4417199963f73a3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c96c6f01d84b5c67db1bf1cc8591c0b7146826fc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef4851d8324fd978ca1ff9ec76a275438f887743"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46070.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46070"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b4c625c67362b3940f619c1a836b4e8329106658"},{"fixed":"c96c6f01d84b5c67db1bf1cc8591c0b7146826fc"},{"fixed":"ef4851d8324fd978ca1ff9ec76a275438f887743"},{"fixed":"28d3ff7109c66e99dc1b7cddacb5c760849620ef"},{"fixed":"33698bd1b2db9764a29df7751533d33967ff5c98"},{"fixed":"c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e"},{"fixed":"73ce72edd113374801045924d4417199963f73a3"},{"fixed":"406aa86394ead347c47428fb51b6359bdaa2257d"},{"fixed":"b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46070.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46070.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}