CVE-2026-64343None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: USB: ldusb: fix use-after-free on disconnect race mutex_unlock() may access the mutex structure after releasing the lock and therefore cannot be used to manage lifetim…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
USB: ldusb: fix use-after-free on disconnect race
mutex_unlock() may access the mutex structure after releasing the lock and therefore cannot be used to manage lifetime of objects directly (unlike spinlocks and refcounts). [1][2]
Use a kref to release the driver data to avoid use-after-free in mutex_unlock() when release() races with disconnect().
[1] a51749ab34d9 ("locking/mutex: Document that mutex_unlock() is non-atomic") [2] 2b9d9e0a9ba0 ("locking/mutex: Clarify that mutex_unlock(), and most other sleeping locks, can still use the lock object after it's unlocked")
Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < fc55923a972e715f9a27187b47d4920709e23d85Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < e5a9bdce4bfd3e2226b5f3df5fb8385d6935ee69Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < af59829e67e11ba2511a9f8e4b9111afc7d1f550Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < 02ca08fff74cf9b0a3c4d2cacde1c6edeeb95bb4Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < d8f69404e1d671326f86d378b9f5bfbd56490e9dLinux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < 2107a4fc8ff1cf1d52f416c1e5cc8e97413a5915Linux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < a3e794136ab5e3ad1e7019175a4b837aec86db4bLinux >= ce0d7d3f575fc1ba6a89c3c651e710355590daff < 19bdfc7b3c179331eafa423d87e1336f43bbfeb8Linux 2.6.26Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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