5.5

CVE-2025-39781: parisc: Drop WARN_ON_ONCE() from flush_cache_vmap

Analyzed
AliasesUBUNTU-CVE-2025-39781DEBIAN-CVE-2025-39781
Published 11-09-2025Last modified 23-05-2026

Vulnerability summary

CVE-2025-39781 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% 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
0.15%
0%100%
Low · 0.00 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 17 · Related 16
DSA-6008-1USN-8028-1USN-8028-2USN-8028-3USN-8028-4USN-8028-5

Timeline

  1. 11-09-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: parisc: Drop WARN_ON_ONCE() from flush_cache_vmap I have observed warning to occassionally trigger.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% 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.

Ubuntu149 products
  • linuxAll versions (No fix recorded) | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 5bf196f1936bf93df31112fbdfb78c03537c07b0, < 69cf90e5aa50fe3cb0c1a63cabc4761db44b0035 | ≥ 72d95924ee35c8cd16ef52f912483ee938a34d49, < 8f8a07ad04da5b3c90fab61c33d4a8256a680591 | ≥ 72d95924ee35c8cd16ef52f912483ee938a34d49, < 4afb1352b85d7deb777694fba16d13c30c08776f | ≥ 72d95924ee35c8cd16ef52f912483ee938a34d49, < 4eab1c27ce1f0e89ab67b01bf1e4e4c75215708a | d66f2607d89f760cdffed88b22f309c895a2af20 | ≥ 6.6.35, < 6.6.103 | ≥ 6.9.6, < 6.10 | 6.10
  • linux_kernel< 6.6.103 | ≥ 6.7, < 6.12.44 | ≥ 6.13, < 6.16.4
Debian1 product
  • linux< 6.12.48-1 | < 6.16.5-1

3 vendors · 152 products

References

25 links
Show all 25 references