{"id":"CVE-2025-68724","revision":null,"records":[{"revision":"cf7a905ba7f4418c92b09817738b7b3d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-68724","aliases":[],"title":"crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id\n\nUse check_add_overflow() to guard against potential integer overflows\nwhen adding the binary blob lengths and the size of an asymmetric_key_id\nstructure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a\npossible buffer overflow when copying data from potentially malicious\nX.509 certificate fields that can be arbitrarily large, such as ASN.1\nINTEGER serial numbers, issuer names, etc.","state":0,"publishedAt":"2025-12-24T10:33:08.932+00:00","modifiedAt":"2026-10-15T01:09:59.479+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/asymmetric_keys/asymmetric_type.c\"\n ],\n \"versions\": [\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"60a7be5ee74408147e439164ac067e418ca74bb4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"c13c6e9de91d7f1dd7df756b1fa5a1f968839d76\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"dfc1613961828745165aec6552c3818fa14ab725\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"c73be4f51eed98fa0c7c189db8f279e1c86bfbf7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"6af753ac5205115e6c310c8c4236c01b59a1c44f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"b7090a5c153105b9fd221a5a81459ee8cd5babd6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7\",\n \"lessThan\": \"df0845cf447ae1556c3440b8b155de0926cbaa56\",\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/asymmetric_keys/asymmetric_type.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.18\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.18\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.248\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.198\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.160\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.120\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.63\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.17.13\",\n \"lessThanOrEqual\": \"6.17.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.2\",\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":[{"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/60a7be5ee74408147e439164ac067e418ca74bb4","https://git.kernel.org/stable/c/c13c6e9de91d7f1dd7df756b1fa5a1f968839d76","https://git.kernel.org/stable/c/dfc1613961828745165aec6552c3818fa14ab725","https://git.kernel.org/stable/c/5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c","https://git.kernel.org/stable/c/c73be4f51eed98fa0c7c189db8f279e1c86bfbf7","https://git.kernel.org/stable/c/6af753ac5205115e6c310c8c4236c01b59a1c44f","https://git.kernel.org/stable/c/b7090a5c153105b9fd221a5a81459ee8cd5babd6","https://git.kernel.org/stable/c/df0845cf447ae1556c3440b8b155de0926cbaa56"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-68724","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-68724","identifiers":["CVE-2025-68724"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T19:02:11.0282238+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T19:02:11.0282238+00:00","lastSuccessAt":"2026-11-09T19:02:11.2551731+00:00","error":null,"lastVerifiedAt":"2026-11-09T19:02:11.2551735+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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