{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ce0d7d3f575fc1ba6a89c3c651e710355590daff"
            },
            {
              "fixed": "fc55923a972e715f9a27187b47d4920709e23d85"
            },
            {
              "fixed": "e5a9bdce4bfd3e2226b5f3df5fb8385d6935ee69"
            },
            {
              "fixed": "af59829e67e11ba2511a9f8e4b9111afc7d1f550"
            },
            {
              "fixed": "02ca08fff74cf9b0a3c4d2cacde1c6edeeb95bb4"
            },
            {
              "fixed": "d8f69404e1d671326f86d378b9f5bfbd56490e9d"
            },
            {
              "fixed": "2107a4fc8ff1cf1d52f416c1e5cc8e97413a5915"
            },
            {
              "fixed": "a3e794136ab5e3ad1e7019175a4b837aec86db4b"
            },
            {
              "fixed": "19bdfc7b3c179331eafa423d87e1336f43bbfeb8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.26"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.96"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.39"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64343.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: ldusb: fix use-after-free on disconnect race\n\nmutex_unlock() may access the mutex structure after releasing the lock\nand therefore cannot be used to manage lifetime of objects directly\n(unlike spinlocks and refcounts). [1][2]\n\nUse a kref to release the driver data to avoid use-after-free in\nmutex_unlock() when release() races with disconnect().\n\n[1] a51749ab34d9 (\"locking/mutex: Document that mutex_unlock() is\n                   non-atomic\")\n[2] 2b9d9e0a9ba0 (\"locking/mutex: Clarify that mutex_unlock(), and most\n                   other sleeping locks, can still use the lock object\n                   after it's unlocked\")",
  "id": "CVE-2026-64343",
  "modified": "2026-07-27T03:56:28.818325275Z",
  "published": "2026-07-25T08:50:05.828Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02ca08fff74cf9b0a3c4d2cacde1c6edeeb95bb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19bdfc7b3c179331eafa423d87e1336f43bbfeb8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2107a4fc8ff1cf1d52f416c1e5cc8e97413a5915"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3e794136ab5e3ad1e7019175a4b837aec86db4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af59829e67e11ba2511a9f8e4b9111afc7d1f550"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8f69404e1d671326f86d378b9f5bfbd56490e9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5a9bdce4bfd3e2226b5f3df5fb8385d6935ee69"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc55923a972e715f9a27187b47d4920709e23d85"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64343.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64343"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "USB: ldusb: fix use-after-free on disconnect race"
}