CVE-2026-64340
CVE CVE-2026-64340EUVD EUVD-2026-48884Published 2026-07-25T08:50:03.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: USB: legousbtower: 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")
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux 18bcbcfe9ca2308ebffb40068b51803da9315d97 <9ba62966461a8e3cc593b62c56ec62eb2d80436d; patch: 7.1.4; patch: 6.1.178; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <766738ecf2b819e54d38763c8d1c8ae6cff14b39; patch: 5.15.212; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <ab2bfd7bec4f134b377ec42f513e90c35db94160; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <11d069f85851997b4ea0adf242ed9672dc749b8f; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <6462de75d2e370c7e74dcfb7b4ae79eb5a6a55ee; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <62fc8eb1b1481051f7bab4aa93d79809053dd09f; patch: 6.6.145; patch: 7.2-rc3; patch: 0; patch: 6.12.96; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <0b57e5ddbd89df3bc367463de3d2ca66f99a1a5e; 18bcbcfe9ca2308ebffb40068b51803da9315d97 <b4222c05066b252b451f9c8c4730b5b60824ea66; 2.6.25; patch: 5.10.261; patch: 6.18.39
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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