{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "2b789435d7f36ed918d92db647f3a2f3fec9bb1f"
            },
            {
              "fixed": "939061b2d0f7f15114e34b4ce878ef50ff4089c3"
            },
            {
              "fixed": "798d409a8949f3f495f238549b86de2886b129bd"
            },
            {
              "fixed": "dfb2cf434829819268fe50f41542aad318ad62b2"
            },
            {
              "fixed": "eecee15e263ccb8cd77170a56ab6c969cb54dd6a"
            },
            {
              "fixed": "bb01d8f1f385bc9034ca114d3508c7fdea24fc9a"
            },
            {
              "fixed": "df9784bb5b637ac80f4a2768a58ca9a50bef28a9"
            },
            {
              "fixed": "227c1e1d9e2aa4cfc65ba446d5690da1f546cda4"
            },
            {
              "fixed": "a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53016.json"
  },
  "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.",
  "id": "CVE-2026-53016",
  "modified": "2026-07-12T03:55:13.895510819Z",
  "published": "2026-06-24T16:29:26.272Z",
  "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"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "crypto: ccp - copy IV using skcipher ivsize"
}