CVE-2025-40035

In the Linux kernel, the following vulnerability has been resolved: Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak Struct ff_effect_compat is embedded twice inside uinput_ff_upload_compat, contains internal padding. In particular, there is a hole after struct ff_replay to satisfy alignment requirements for the following union member. Without clearing the structure, copy_to_user() may leak stack data to userspace. Initialize ff_up_compat to zero before filling valid fields.

The following products are affected by CVE-2025-40035 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40035.

URL	Resource
https://git.kernel.org/stable/c/1b317796013f666ae5040edbf0f230ec61496d42
https://git.kernel.org/stable/c/48c96b7e9e03516936d6deba54b5553097eae817
https://git.kernel.org/stable/c/877172b97786ed1678640dff0b2d35abb328844c
https://git.kernel.org/stable/c/933b87c4590b42500299f00ff55f555903056803
https://git.kernel.org/stable/c/d3366a04770eea807f2826cbdb96934dd8c9bf79
https://git.kernel.org/stable/c/e63aade22a33e77b93c98c9f02db504d897a76b4
https://git.kernel.org/stable/c/f5e1f3b85aadce74268c46676772c3e9fa79897e
https://git.kernel.org/stable/c/fd8a23ecbc602d00e47b27f20b07350867d0ebe5
https://lore.kernel.org/linux-cve-announce/2025102811-CVE-2025-40035-9c37@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-40035
https://www.cve.org/CVERecord?id=CVE-2025-40035