CVE-2026-64341
Description
In the Linux kernel, the following vulnerability has been resolved:
USB: iowarrior: 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")
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 946b960d13c15f050a3b848987aaca79f6a459b7 < 3c0a7b29ebb391d5f50b115e86f842b709195b08, 946b960d13c15f050a3b848987aaca79f6a459b7 < 71590982700fdeb39a37a500c877228b0140978e, 946b960d13c15f050a3b848987aaca79f6a459b7 < c602254ba4c10f60a73cd99d147874f86a3f485c |
| Linux | Linux | — | 2.6.21, 0 < 2.6.21, 6.12.97 ≤ 6.12.*, 7.1.4 ≤ 7.1.* … |
References (3)