{"id":"CVE-2026-53016","revision":"0e8397cb83624221aa198fb3826e5721","records":[{"revision":"0e8397cb83624221aa198fb3826e5721","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53016","aliases":[],"title":"crypto: ccp - copy IV using skcipher ivsize","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - copy IV using skcipher ivsize\n\nAF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver.\n\nccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV\nbuffer while RFC3686 skciphers expose an 8-byte IV, so the restore\noverruns the provided buffer.\n\nUse crypto_skcipher_ivsize() to copy only the algorithm's IV length.","state":0,"publishedAt":"2026-06-24T16:29:26.272+00:00","modifiedAt":"2026-10-19T19:47:14.003+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                        \"drivers/crypto/ccp/ccp-crypto-aes.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"939061b2d0f7f15114e34b4ce878ef50ff4089c3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"798d409a8949f3f495f238549b86de2886b129bd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"dfb2cf434829819268fe50f41542aad318ad62b2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"eecee15e263ccb8cd77170a56ab6c969cb54dd6a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"bb01d8f1f385bc9034ca114d3508c7fdea24fc9a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"df9784bb5b637ac80f4a2768a58ca9a50bef28a9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"227c1e1d9e2aa4cfc65ba446d5690da1f546cda4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\n                            \"lessThan\": \"a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4\",\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                        \"drivers/crypto/ccp/ccp-crypto-aes.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.258\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.141\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.91\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.33\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.10\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\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/939061b2d0f7f15114e34b4ce878ef50ff4089c3","https://git.kernel.org/stable/c/798d409a8949f3f495f238549b86de2886b129bd","https://git.kernel.org/stable/c/dfb2cf434829819268fe50f41542aad318ad62b2","https://git.kernel.org/stable/c/eecee15e263ccb8cd77170a56ab6c969cb54dd6a","https://git.kernel.org/stable/c/bb01d8f1f385bc9034ca114d3508c7fdea24fc9a","https://git.kernel.org/stable/c/df9784bb5b637ac80f4a2768a58ca9a50bef28a9","https://git.kernel.org/stable/c/227c1e1d9e2aa4cfc65ba446d5690da1f546cda4","https://git.kernel.org/stable/c/a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53016","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53016","identifiers":["CVE-2026-53016"]},"retained":false,"historicalAffected":[]}],"coverage":[]}