{"id":"CVE-2026-23060","revision":null,"records":[{"revision":"62cbb148d75e497e924727490421efb3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23060","aliases":[],"title":"crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec\n\nauthencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than\nthe minimum expected length, crypto_authenc_esn_decrypt() can advance past\nthe end of the destination scatterlist and trigger a NULL pointer dereference\nin scatterwalk_map_and_copy(), leading to a kernel panic (DoS).\n\nAdd a minimum AAD length check to fail fast on invalid inputs.","state":0,"publishedAt":"2026-02-04T16:07:42.86+00:00","modifiedAt":"2026-10-19T18:25:28.43+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\": \"df22c9a65e9a9daa368a72fed596af9d7d5876bb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"fee86edf5803f1d1f19e3b4f2dacac241bddfa48\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"767e8349f7e929b7dd95c08f0b4cb353459b365e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"b0a9609283a5c852addb513dafa655c61eebc1ef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"161bdc90fce25bd9890adc67fa1c8563a7acbf40\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"9532ff0d0e90ff78a214299f594ab9bac81defe4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"104880a6b470958ddc30e139c41aa4f6ed3a5234\",\n \"lessThan\": \"2397e9264676be7794f8f7f1e9763d90bd3c7335\",\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\": \"5.10.249\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.199\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.162\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.122\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.68\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.8\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/df22c9a65e9a9daa368a72fed596af9d7d5876bb","https://git.kernel.org/stable/c/fee86edf5803f1d1f19e3b4f2dacac241bddfa48","https://git.kernel.org/stable/c/767e8349f7e929b7dd95c08f0b4cb353459b365e","https://git.kernel.org/stable/c/b0a9609283a5c852addb513dafa655c61eebc1ef","https://git.kernel.org/stable/c/161bdc90fce25bd9890adc67fa1c8563a7acbf40","https://git.kernel.org/stable/c/9532ff0d0e90ff78a214299f594ab9bac81defe4","https://git.kernel.org/stable/c/2397e9264676be7794f8f7f1e9763d90bd3c7335"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23060","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23060","identifiers":["CVE-2026-23060"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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