CVE-2025-40035
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 28, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
2d56f3a32c0e62f99c043d2579840f9731fe5855 < 1b317796013f666ae5040edbf0f230ec61496d42 2d56f3a32c0e62f99c043d2579840f9731fe5855 < 877172b97786ed1678640dff0b2d35abb328844c 2d56f3a32c0e62f99c043d2579840f9731fe5855 < e63aade22a33e77b93c98c9f02db504d897a76b4 2d56f3a32c0e62f99c043d2579840f9731fe5855 < 933b87c4590b42500299f00ff55f555903056803 2d56f3a32c0e62f99c043d2579840f9731fe5855 < fd8a23ecbc602d00e47b27f20b07350867d0ebe5 2d56f3a32c0e62f99c043d2579840f9731fe5855 < 48c96b7e9e03516936d6deba54b5553097eae817 2d56f3a32c0e62f99c043d2579840f9731fe5855 < f5e1f3b85aadce74268c46676772c3e9fa79897e 2d56f3a32c0e62f99c043d2579840f9731fe5855 < d3366a04770eea807f2826cbdb96934dd8c9bf79
Linux / Linux
2.6.29
References
git.kernel.org: https://git.kernel.org/stable/c/1b317796013f666ae5040edbf0f230ec61496d42 git.kernel.org: https://git.kernel.org/stable/c/877172b97786ed1678640dff0b2d35abb328844c git.kernel.org: https://git.kernel.org/stable/c/e63aade22a33e77b93c98c9f02db504d897a76b4 git.kernel.org: https://git.kernel.org/stable/c/933b87c4590b42500299f00ff55f555903056803 git.kernel.org: https://git.kernel.org/stable/c/fd8a23ecbc602d00e47b27f20b07350867d0ebe5 git.kernel.org: https://git.kernel.org/stable/c/48c96b7e9e03516936d6deba54b5553097eae817 git.kernel.org: https://git.kernel.org/stable/c/f5e1f3b85aadce74268c46676772c3e9fa79897e git.kernel.org: https://git.kernel.org/stable/c/d3366a04770eea807f2826cbdb96934dd8c9bf79