{"id":"CVE-2026-43033","revision":null,"records":[{"revision":"f2b25c2d33b24e6b82f042eae0ffd8b1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43033","aliases":[],"title":"crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption\n\nWhen decrypting data that is not in-place (src != dst), there is\nno need to save the high-order sequence bits in dst as it could\nsimply be re-copied from the source.\n\nHowever, the data to be hashed need to be rearranged accordingly.\n\n\nThanks,","state":0,"publishedAt":"2026-05-01T14:15:32.583+00:00","modifiedAt":"2026-10-19T19:06:10.536+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/authencesn.c\"\n ],\n \"versions\": [\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"8c62f618576519dbed6816fafc623ce592953025\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"d589abd8b019b07075fda255ceab8c8e950cdb3f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"5466e7d0cd9e4f9cef9d8f18f18b60e7bc1c77e5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"d0c4ff6812386880f30bc64c2921299cc4d7b47f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"89fe118b6470119b20c04afc36e45b81a69ea11f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"153d5520c3f9fd62e71c7e7f9e34b59cf411e555\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"cded4002d22177e8deaca1f257ecd932c9582b6b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"e02494114ebf7c8b42777c6cd6982f113bfdbec7\",\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/authencesn.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.3\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.3\",\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/8c62f618576519dbed6816fafc623ce592953025","https://git.kernel.org/stable/c/d589abd8b019b07075fda255ceab8c8e950cdb3f","https://git.kernel.org/stable/c/5466e7d0cd9e4f9cef9d8f18f18b60e7bc1c77e5","https://git.kernel.org/stable/c/d0c4ff6812386880f30bc64c2921299cc4d7b47f","https://git.kernel.org/stable/c/89fe118b6470119b20c04afc36e45b81a69ea11f","https://git.kernel.org/stable/c/153d5520c3f9fd62e71c7e7f9e34b59cf411e555","https://git.kernel.org/stable/c/cded4002d22177e8deaca1f257ecd932c9582b6b","https://git.kernel.org/stable/c/e02494114ebf7c8b42777c6cd6982f113bfdbec7"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43033","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43033","identifiers":["CVE-2026-43033"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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