USB: iowarrior: fix use-after-free on disconnect race
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")
CVE-2026-64341
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-64341
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "946b960d13c15f050a3b848987aaca79f6a459b7",
"lessThan": "4e7d3c98fed73d3be84d3e146d8d9be0309e725b",
"versionType": "git"
},
{
"status": "affected",
"version": "946b960d13c15f050a3b848987aaca79f6a459b7",
"lessThan": "3c0a7b29ebb391d5f50b115e86f842b709195b08",
"versionType": "git"
},
{
"status": "affected",
"version": "946b960d13c15f050a3b848987aaca79f6a459b7",
"lessThan": "30ec3025b771511625375fb3fb959aea3b45fb0d",
"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": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.58",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"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"
}
]- Related CVEs
- CVE-2026-64341
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #46433 · Revision 1
- Added to Heist Feed
- Publisher date