CVE-2025-40035: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2025-40035DEBIAN-CVE-2025-40035
Published 28-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-40035 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.1% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.23%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 52 · Related 47

Timeline

  1. 28-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.02 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu153 products
  • linuxAll versions (No fix recorded) | < 5.15.0-170.180 | < 6.8.0-106.106 | < 6.17.0-14.14
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1100.107 | < 6.8.0-1050.53 | < 6.17.0-1007.7
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.158-1 | < 6.12.57-1 | < 6.17.6-1
Linux1 product
  • linux≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < 1b317796013f666ae5040edbf0f230ec61496d42 | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < 877172b97786ed1678640dff0b2d35abb328844c | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < e63aade22a33e77b93c98c9f02db504d897a76b4 | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < 933b87c4590b42500299f00ff55f555903056803 | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < fd8a23ecbc602d00e47b27f20b07350867d0ebe5 | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < 48c96b7e9e03516936d6deba54b5553097eae817 | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < f5e1f3b85aadce74268c46676772c3e9fa79897e | ≥ 2d56f3a32c0e62f99c043d2579840f9731fe5855, < d3366a04770eea807f2826cbdb96934dd8c9bf79 | 2.6.29

3 vendors · 155 products

References

42 links
Show all 42 references