CVE-2026-64342 - Vulnerability Details

- USB: iowarrior: fix use-after-free on disconnect

Description

In the Linux kernel, the following vulnerability has been resolved:

USB: iowarrior: fix use-after-free on disconnect

Submitted write URBs are not stopped on close() and therefore need to be
stopped unconditionally on disconnect() to avoid use-after-free in the
completion handler.

Published: 2026-07-25

Score: 7.0 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< d058d377291567b72aea33b017215cbfb383b0ad
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< 97ad9337127be04ca0b027c2b01e69302353f404
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< 164398601a7f160bc3df1efa454f983302cef03f
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< f328b0e9a0dbd162f5db1b83026b689f2fea2241
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< b748f97aff339e7f08dca9cf38a05b980fb66fea
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< e4596816984efc537e7c04c1af0c639394f967f7
`946b960d13c15f050a3b848987aaca79f6a459b7`	affected	< bc0e4f16c44e50daa0b1ea729934baa3b4815dee

Linux

affected

Version	Status	Constraints
`2.6.21`	affected	—
`0`	unaffected	< 2.6.21
`5.10.261`	unaffected	≤ 5.10.*
`5.15.212`	unaffected	≤ 5.15.*
`6.1.178`	unaffected	≤ 6.1.*
`6.6.145`	unaffected	≤ 6.6.*
`6.12.96`	unaffected	≤ 6.12.*
`6.18.39`	unaffected	≤ 6.18.*
`7.1.4`	unaffected	≤ 7.1.*
`7.2-rc3`	unaffected	≤ *

No data.

Vendor Product Confidence Versions

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[946b960d13c15f050a3b848987aaca79f6a459b7,d058d377291567b72aea33b017215cbfb383b0ad)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,97ad9337127be04ca0b027c2b01e69302353f404)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,164398601a7f160bc3df1efa454f983302cef03f)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,f328b0e9a0dbd162f5db1b83026b689f2fea2241)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,b748f97aff339e7f08dca9cf38a05b980fb66fea)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,e4596816984efc537e7c04c1af0c639394f967f7)`	affected	code_commit	—
`[946b960d13c15f050a3b848987aaca79f6a459b7,bc0e4f16c44e50daa0b1ea729934baa3b4815dee)`	affected	code_commit	—

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`2.6.21`	affected	semver	—
`[0,2.6.21)`	unaffected	generic	—
`[5.10.261,5.11.0)`	unaffected	semver	—
`[5.15.212,5.16.0)`	unaffected	semver	—
`[6.1.178,6.2.0)`	unaffected	semver	—
`[6.6.145,6.7.0)`	unaffected	semver	—
`[6.12.96,6.13.0)`	unaffected	semver	—
`[6.18.39,6.19.0)`	unaffected	semver	—
`[7.1.4,7.2.0)`	unaffected	semver	—
`[7.2-rc3,*]`	unaffected	generic	—

Found an issue or want to improve our Enrichment? You can suggest it directly by opening an issue on our dedicated GitHub repository .

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00177.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f
https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404
https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595
https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea
https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee
https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad
https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7
https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241
https://lore.kernel.org/linux-cve-announce/2026072516-CVE-2026-64342-06a6@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-64342
https://www.cve.org/CVERecord?id=CVE-2026-64342

History

Thu, 30 Jul 2026 04:00:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-416

Tue, 28 Jul 2026 00:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-825
References		https://lore.kernel.org/linux-cve-announce/2026072516-CVE-2026-64342-06a6@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2026-64342 https://www.cve.org/CVERecord?id=CVE-2026-64342
Metrics	threat_severity `None`	cvssV3_1 `{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}` threat_severity `Moderate`

Sun, 26 Jul 2026 02:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-416

Sat, 25 Jul 2026 09:30:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: USB: iowarrior: fix use-after-free on disconnect Submitted write URBs are not stopped on close() and therefore need to be stopped unconditionally on disconnect() to avoid use-after-free in the completion handler.
Title		USB: iowarrior: fix use-after-free on disconnect
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404 https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595 https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7 https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-07-25T08:50:05.169Z

Updated: 2026-07-25T08:50:05.169Z

Reserved: 2026-07-19T15:36:31.781Z

Link: CVE-2026-64342

Vulnrichment

No data.

NVD

No data.

Redhat

Severity : Moderate

Publid Date: 2026-07-25T00:00:00Z

Links: CVE-2026-64342 - Bugzilla

OpenCVE Enrichment

Updated: 2026-07-30T03:45:10Z

Weaknesses

CWE-825
Expired Pointer Dereference

Tracking

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Subscriptions

JSON object

JSON object

JSON object

JSON object

JSON object