{"id":"CVE-2026-53016","summary":"crypto: ccp - copy IV using skcipher ivsize","details":"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.","modified":"2026-07-12T03:55:13.895510819Z","published":"2026-06-24T16:29:26.272Z","related":["SUSE-SU-2026:22521-1","SUSE-SU-2026:22522-1","SUSE-SU-2026:2799-1","SUSE-SU-2026:2800-1","SUSE-SU-2026:2840-1","SUSE-SU-2026:2841-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53016.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/227c1e1d9e2aa4cfc65ba446d5690da1f546cda4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/798d409a8949f3f495f238549b86de2886b129bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/939061b2d0f7f15114e34b4ce878ef50ff4089c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb01d8f1f385bc9034ca114d3508c7fdea24fc9a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df9784bb5b637ac80f4a2768a58ca9a50bef28a9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dfb2cf434829819268fe50f41542aad318ad62b2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eecee15e263ccb8cd77170a56ab6c969cb54dd6a"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53016.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-53016"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53016.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53016"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492269"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2b789435d7f36ed918d92db647f3a2f3fec9bb1f"},{"fixed":"939061b2d0f7f15114e34b4ce878ef50ff4089c3"},{"fixed":"798d409a8949f3f495f238549b86de2886b129bd"},{"fixed":"dfb2cf434829819268fe50f41542aad318ad62b2"},{"fixed":"eecee15e263ccb8cd77170a56ab6c969cb54dd6a"},{"fixed":"bb01d8f1f385bc9034ca114d3508c7fdea24fc9a"},{"fixed":"df9784bb5b637ac80f4a2768a58ca9a50bef28a9"},{"fixed":"227c1e1d9e2aa4cfc65ba446d5690da1f546cda4"},{"fixed":"a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53016.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.14.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53016.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}