5.5

CVE-2025-71239: audit: add fchmodat2() to change attributes class

Analyzed
AliasesUBUNTU-CVE-2025-71239DEBIAN-CVE-2025-71239
Published 17-03-2026Last modified 11-05-2026

Vulnerability summary

CVE-2025-71239 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.13%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 30 · Related 28

Timeline

  1. 17-03-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: audit: add fchmodat2() to change attributes class fchmodat2(), introduced in version 6.6 is currently not in the change attribute class of audit. Calling fchmodat2() to change a file attribute in the same fashion than chmod() or fchmodat() will bypass audit rules such as: -w /tmp/test -p rwa -k test_rwa The current patch adds fchmodat2() to the change attributes class.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.12% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 09da082b07bbae1c11d9560c8502800039aebcea, < 91e27bc79c3bca93c06bf5a471d47df9a35b3741 | ≥ 09da082b07bbae1c11d9560c8502800039aebcea, < 3e762a03713e8c25ca0108c075d662c897fc0623 | ≥ 09da082b07bbae1c11d9560c8502800039aebcea, < 4fed776ca86378da7dd743a7b648e20b025ba8ef | ≥ 09da082b07bbae1c11d9560c8502800039aebcea, < c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f | ≥ 09da082b07bbae1c11d9560c8502800039aebcea, < 4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc | 6.6
  • linux_kernel≥ 6.6, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.16 | ≥ 6.19, < 6.19.6
Debian1 product
  • linux< 6.12.85-1 | < 6.19.6-1

3 vendors · 160 products

References

36 links
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