CVE-2025-40035Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
- —Not scoredno CVSS score yet
- 0.23%Exploitation in 30 daysEPSS · top 86% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 7 months later
· 7 months later
Published
- 7 months later
· 7 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.23% · top 86% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < 1b317796013f666ae5040edbf0f230ec61496d42
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < 877172b97786ed1678640dff0b2d35abb328844c
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < e63aade22a33e77b93c98c9f02db504d897a76b4
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < 933b87c4590b42500299f00ff55f555903056803
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < fd8a23ecbc602d00e47b27f20b07350867d0ebe5
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < 48c96b7e9e03516936d6deba54b5553097eae817
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < f5e1f3b85aadce74268c46676772c3e9fa79897e
- affected 2d56f3a32c0e62f99c043d2579840f9731fe5855 – < d3366a04770eea807f2826cbdb96934dd8c9bf79
- affected 2.6.29
- unaffected < 2.6.29
- unaffected 5.4.301 – ≤ 5.4.*
- unaffected 5.10.246 – ≤ 5.10.*
- unaffected 5.15.195 – ≤ 5.15.*
- unaffected 6.1.156 – ≤ 6.1.*
- unaffected 6.6.112 – ≤ 6.6.*
- unaffected 6.12.53 – ≤ 6.12.*
- unaffected 6.17.3 – ≤ 6.17.*
- unaffected 6.18 – ≤ *
References
References8
- https://git.kernel.org/stable/c/1b317796013f666ae5040edbf0f230ec61496d42 (opens in a new tab)
- https://git.kernel.org/stable/c/877172b97786ed1678640dff0b2d35abb328844c (opens in a new tab)
- https://git.kernel.org/stable/c/e63aade22a33e77b93c98c9f02db504d897a76b4 (opens in a new tab)
- https://git.kernel.org/stable/c/933b87c4590b42500299f00ff55f555903056803 (opens in a new tab)
- https://git.kernel.org/stable/c/fd8a23ecbc602d00e47b27f20b07350867d0ebe5 (opens in a new tab)
- https://git.kernel.org/stable/c/48c96b7e9e03516936d6deba54b5553097eae817 (opens in a new tab)
- https://git.kernel.org/stable/c/f5e1f3b85aadce74268c46676772c3e9fa79897e (opens in a new tab)
- https://git.kernel.org/stable/c/d3366a04770eea807f2826cbdb96934dd8c9bf79 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-36493 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-40035)Record last updated .