{"id":"CVE-2026-31431","revision":null,"records":[{"revision":"fc35320d1a024cafb67096582485618e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31431","aliases":[],"title":"crypto: algif_aead - Revert to operating out-of-place","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: algif_aead - Revert to operating out-of-place\n\nThis mostly reverts commit 72548b093ee3 except for the copying of\nthe associated data.\n\nThere is no benefit in operating in-place in algif_aead since the\nsource and destination come from different mappings. Get rid of\nall the complexity added for in-place operation and just copy the\nAD directly.","state":0,"publishedAt":"2026-04-22T08:15:10.123+00:00","modifiedAt":"2026-10-15T01:16:12.771+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 \"crypto/af_alg.c\",\n \"crypto/algif_aead.c\",\n \"crypto/algif_skcipher.c\",\n \"include/crypto/if_alg.h\"\n ],\n \"versions\": [\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"893d22e0135fa394db81df88697fba6032747667\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"19d43105a97be0810edbda875f2cd03f30dc130c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"961cfa271a918ad4ae452420e7c303149002875b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"3115af9644c342b356f3f07a4dd1c8905cd9a6fc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"8b88d99341f139e23bdeb1027a2a3ae10d341d82\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"ce42ee423e58dffa5ec03524054c9d8bfd4f6237\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"72548b093ee38a6d4f2a19e6ef1948ae05c181f7\",\n \"lessThan\": \"a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5\",\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 \"crypto/af_alg.c\",\n \"crypto/algif_aead.c\",\n \"crypto/algif_skcipher.c\",\n \"include/crypto/if_alg.h\"\n ],\n \"versions\": [\n {\n \"version\": \"4.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.14\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.254\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.204\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.170\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.137\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.85\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.22\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.12\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\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:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667","https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c","https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b","https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc","https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82","https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237","https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31431","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31431","identifiers":["CVE-2026-31431"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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