{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "82b48d70bced1ec8e5f676d1fd5eccc7a44dc418"
            },
            {
              "fixed": "8b93ee5baeef6efabee2c3381907733ad2dbc883"
            },
            {
              "fixed": "a093f3e0c03d25a86d747a655d4b9322ffb2ed87"
            },
            {
              "fixed": "70bb9a2661d34b93a9b83cf83e2b76289a712ef0"
            },
            {
              "fixed": "631b8b7c456567f7a8d26f6fc354c8dd9cc9f832"
            },
            {
              "fixed": "f06bcaba29707f060706483b2020d3cafbe98f9f"
            },
            {
              "fixed": "ed260b56bc9fc878e5dcbb866eab8af0688e0e67"
            },
            {
              "fixed": "245aba83e3c288e176ed037a1f6b618b09e92ed8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63897.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mct_u232: fix missing interrupt-in transfer sanity check\n\nAdd the missing sanity check on the size of interrupt-in transfers to\navoid parsing stale or uninitialised slab data (and leaking it to user\nspace).",
  "id": "CVE-2026-63897",
  "modified": "2026-07-21T03:41:58.833149611Z",
  "published": "2026-07-19T14:55:06.845Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63897.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63897"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "USB: serial: mct_u232: fix missing interrupt-in transfer sanity check"
}