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Vulnerability record · CVE-2026-64342 · published 25 July 2026

CVE-2026-64342: Linux kernel use after free vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 0.13% · top 98.1% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
3 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f Patch
https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404 Patch
https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595 Patch
https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea Patch
https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee Patch
https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad Patch
https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7 Patch
https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-64342), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.