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CVE-2026-98696

USB: serial: fix driver deregistration order PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: USB: serial: fix driver deregistration order USB serial driver modules register one driver for the USB bus and one or more drivers for the ports on the USB serial bus. When unloading a driver module, the USB driver must be deregistered before the USB serial bus drivers so that I/O is stopped before unbinding the ports to avoid use-after-free in completion handlers accessing port data. Note that the "new_id" attributes must first be removed to prevent new ids from being added and triggering a probe of the USB driver after it has been deregistered.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 765e0ba62613fb90f09c1b5926750df0aa56f349 before e7ad832b1144df19cbbaaa655625c6f984e85b9f; affected 765e0ba62613fb90f09c1b5926750df0aa56f349 before 9b085a06a0a411b0bcdf18b61c3ebf1be1c72ffe; affected 765e0ba62613fb90f09c1b5926750df0aa56f349 before a1aa474768f69ea3a70da523f00f74c264cfa10e; affected 765e0ba62613fb90f09c1b5926750df0aa56f349 before 428d479a0d31460fbf5969ab262ccd673f1fac01; affected 765e0ba62613fb90f09c1b5926750df0aa56f349 before 646e5b28b4fdbc1b828a2398d6ced2c1dd308a46
Linux / Linuxaffected 3.4; unaffected 0 before 3.4; unaffected 6.6.160 through 6.6.*; unaffected 6.12.113 through 6.12.*; unaffected 6.18.56 through 6.18.*; unaffected 7.2.10 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References