CVE-2026-43047 – HID: multitouch: Check to ensure report responses match the request

CVE ID :CVE-2026-43047

Published : May 1, 2026, 3:16 p.m. | 1 hour, 2 minutes ago

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

HID: multitouch: Check to ensure report responses match the request

It is possible for a malicious (or clumsy) device to respond to a
specific report’s feature request using a completely different report
ID. This can cause confusion in the HID core resulting in nasty
side-effects such as OOB writes.

Add a check to ensure that the report ID in the response, matches the
one that was requested. If it doesn’t, omit reporting the raw event and
return early.

Severity: 0.0 | NA

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