7.5

CVE-2025-40087: linux

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2025-40087DEBIAN-CVE-2025-40087
Published 30-10-2025Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2025-40087 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · +0.03 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
DLA-4379-1DLA-4404-1DSA-6053-1MGASA-2025-0309MGASA-2025-0310OPENSUSE-SU-2025:15702-1

Timeline

  1. 30-10-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Define a proc_layoutcommit for the FlexFiles layout type Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layout.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.03 pp

From 0.47% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.50%

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

Ubuntu152 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≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < a75994dd879401c3e24ff51c2536559f1a53ea27 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < 34d187e020cbda112a6c6f094f0ca5e6a8672b75 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < ba88a53d7f5df4191583abf214214efe0cda91d2 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < da9129ef77786839a3ccd1d7afeeab790bceaa1d | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < f7353208c91ab004e0179c5fb6c365b0f132f9f0 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < a156af6a4dc38c2aa7c98e89520a70fb3b3e7df4 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < 785ec512afa80d0540f2ca797c0e56de747a6083 | ≥ 9b9960a0ca4773e21c4b153ed355583946346b25, < 4b47a8601b71ad98833b447d465592d847b4dc77 | 4.8

3 vendors · 154 products

References

42 links
Show all 42 references