{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "54d2bc068fd21bcb096660938bce7c7265613a24"
            },
            {
              "fixed": "31e75fed8f90cfea9f8285e7ed135b0e452bf872"
            },
            {
              "fixed": "8d53b14ad4ccbff6d306b3a39c812303f4a87d41"
            },
            {
              "fixed": "f62622e947f82a3854a8502d09492ffbdeb252b4"
            },
            {
              "fixed": "60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09"
            },
            {
              "fixed": "d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4"
            },
            {
              "fixed": "54c2b7356b4aeea467f9fb13b85e9e036bc428cb"
            },
            {
              "fixed": "e88cff5fbaa629f3cab45c8b46f395d62c2eb515"
            },
            {
              "fixed": "ff002c153f9722caece3983cc23dc4d9d4652cb4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.24"
            },
            {
              "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-2026-64344.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: idmouse: 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-2026-64344",
  "modified": "2026-07-27T03:56:43.689277844Z",
  "published": "2026-07-25T08:50:06.461Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31e75fed8f90cfea9f8285e7ed135b0e452bf872"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/54c2b7356b4aeea467f9fb13b85e9e036bc428cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d53b14ad4ccbff6d306b3a39c812303f4a87d41"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e88cff5fbaa629f3cab45c8b46f395d62c2eb515"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f62622e947f82a3854a8502d09492ffbdeb252b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff002c153f9722caece3983cc23dc4d9d4652cb4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64344.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64344"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "USB: idmouse: fix use-after-free on disconnect race"
}