CVE-2026-64341
USB: iowarrior: fix use-after-free on disconnect race
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")
INFO
Published Date :
July 25, 2026, 10:17 a.m.
Last Modified :
Aug. 17, 2026, 5:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the USB: iowarrior patch.
- Use a kref to manage driver data release.
- Ensure proper mutex unlocking procedures.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-64341.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64341 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-64341
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-64341 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64341 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '3c0a7b29ebb391d5f50b115e86f842b709195b08', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '71590982700fdeb39a37a500c877228b0140978e', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': 'c602254ba4c10f60a73cd99d147874f86a3f485c', 'versionType': 'git'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.21'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.21', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '7.1.4', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '3c0a7b29ebb391d5f50b115e86f842b709195b08', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '71590982700fdeb39a37a500c877228b0140978e', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': 'c602254ba4c10f60a73cd99d147874f86a3f485c', 'versionType': 'git'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.21'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.21', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '7.1.4', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 25, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '3c0a7b29ebb391d5f50b115e86f842b709195b08', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': '71590982700fdeb39a37a500c877228b0140978e', 'versionType': 'git'}, {'status': 'affected', 'version': '946b960d13c15f050a3b848987aaca79f6a459b7', 'lessThan': 'c602254ba4c10f60a73cd99d147874f86a3f485c', 'versionType': 'git'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.21'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.21', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '7.1.4', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/usb/misc/iowarrior.c'], 'defaultStatus': 'affected'}] Added 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") Added Reference https://git.kernel.org/stable/c/3c0a7b29ebb391d5f50b115e86f842b709195b08 Added Reference https://git.kernel.org/stable/c/71590982700fdeb39a37a500c877228b0140978e Added Reference https://git.kernel.org/stable/c/c602254ba4c10f60a73cd99d147874f86a3f485c