CVE-2026-89623

CVE CVE-2026-89623EUVD EUVD-2026-76535Published 2026-09-11T19:45:20.000ZLast changed 2026-09-14T12:01:36.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: stop device IO before hid_hw_stop Quiesce device IO at the start of the devm cleanup callback mcp2221_hid_unregister() so that incoming HID reports cannot race with hardware teardown during probe failure or device removal, addressing a potential use-after-free. Guard the call to hid_device_io_stop() with io_started. On normal removal hid_device_remove() has already cleared io_started before the devres group is released, so an unconditional call would otherwise hit the !io_started path and emit a spurious "io already stopped" warning on every removal. The guard preserves the probe-failure balancing, where io_started is still set after hid_device_io_start(), while staying silent on the normal removal path.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux d4b50ac06ea6e47bdd2b04e97d1090c673c80645 <0ae90a19e6b5a8557d25d95facb7e01c9c07af38; d4b50ac06ea6e47bdd2b04e97d1090c673c80645 <2eda1513f573945c1e3a0090341f3d28740463b1; 6.6.8 <7.2.4; 6.6.8 <6.12.109; 6.6.8 <7.3-rc1; d4b50ac06ea6e47bdd2b04e97d1090c673c80645 <c99ba6c234d4d537c317336376b78c088174034a; d4b50ac06ea6e47bdd2b04e97d1090c673c80645 <dca151633c0fde90935311c60e7cfc064aa56134; 6.6.8 <6.18.50; d4b50ac06ea6e47bdd2b04e97d1090c673c80645 <85d963499f1feeea287c0a37c3eac3fc1898eca9; 6.6.8 <6.6.157

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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