CVE-2026-43140

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: Do not crash on missing msc->input Fake USB devices can send their own report descriptors for which the input_mapping() hook does not get called. In this case, msc->input stays NULL, leading to a crash at a later time. Detect this condition in the input_configured() hook and reject the device. This is not supposed to happen with actual magic mouse devices, but can be provoked by imposing as a magic mouse USB device.

The following products are affected by CVE-2026-43140 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-43140.

URL	Resource
https://git.kernel.org/stable/c/165912d4321c692321c02793068d30700b4e0f1a
https://git.kernel.org/stable/c/17abd396548035fbd6179ee1a431bd75d49676a7
https://git.kernel.org/stable/c/243e1165eb03aca97d87aafa9c3130593837a1c2
https://git.kernel.org/stable/c/36c83c1329dd881f290f7df2feadfb9a21775108
https://git.kernel.org/stable/c/5bbe266272d86c0657e8253600f3d5b74fb7b2ae
https://git.kernel.org/stable/c/922bd3e498a4b8e445def6e6ffea2ad3682ad516
https://git.kernel.org/stable/c/db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2
https://git.kernel.org/stable/c/f6a3860241fbb556fd72332fa31c5e787004413b
https://lore.kernel.org/linux-cve-announce/2026050624-CVE-2026-43140-1367@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-43140
https://www.cve.org/CVERecord?id=CVE-2026-43140