{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c8ae3f744ddca0da164bcacee42d1d4b6fe7027d"
            },
            {
              "fixed": "8408655ec8344511667b61d8257dc59c80ee3391"
            },
            {
              "fixed": "f5d2ed4ed47d3906e2495a3537a48b127f497a17"
            },
            {
              "fixed": "2bf706fe7831b319f23a85b9728f961cfed40c3e"
            },
            {
              "fixed": "d26f8c361f751c188b7ebaf8189aa0258968fd98"
            },
            {
              "fixed": "16f6588a3b7a2a20d10ad9b766be74c60ba347cc"
            },
            {
              "fixed": "d89044889ecd11b0c2f86663597246e9bdd25679"
            },
            {
              "fixed": "d49628d63d4e6bbc8a1621afb88e5fc901611bee"
            },
            {
              "fixed": "ca19808bc6fac7e29420d8508df569b346b3e339"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "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": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46285.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: docg3: fix use-after-free in docg3_release()\n\nIn docg3_release(), the docg3 pointer is obtained from\ncascade-\u003efloors[0]-\u003epriv before the loop that calls\ndoc_release_device() on each floor. doc_release_device() frees the\ndocg3 struct via kfree(docg3) at line 1881. After the loop,\ndocg3-\u003ecascade-\u003ebch dereferences the already-freed pointer.\n\nFix this by accessing cascade-\u003ebch directly, which is equivalent\nsince docg3-\u003ecascade points back to the same cascade struct, and\nis already available as a local variable. This also removes the\nnow-unused docg3 local variable.",
  "id": "CVE-2026-46285",
  "modified": "2026-07-15T01:49:00.714686064Z",
  "published": "2026-06-08T15:41:28.566Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611bee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46285.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46285"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "mtd: docg3: fix use-after-free in docg3_release()"
}