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.
No affected software listed.
- 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
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