{"id":"CVE-2026-64341","summary":"USB: iowarrior: fix use-after-free on disconnect race","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: iowarrior: 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 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\")","modified":"2026-07-27T04:03:21.648574901Z","published":"2026-07-25T08:50:04.512Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64341.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3c0a7b29ebb391d5f50b115e86f842b709195b08"},{"type":"WEB","url":"https://git.kernel.org/stable/c/71590982700fdeb39a37a500c877228b0140978e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c602254ba4c10f60a73cd99d147874f86a3f485c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64341.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64341"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"946b960d13c15f050a3b848987aaca79f6a459b7"},{"fixed":"3c0a7b29ebb391d5f50b115e86f842b709195b08"},{"fixed":"71590982700fdeb39a37a500c877228b0140978e"},{"fixed":"c602254ba4c10f60a73cd99d147874f86a3f485c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64341.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.21"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"7.1.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64341.json"}}],"schema_version":"1.7.5"}