Medium 5.5Published Sep 11, 2025

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

Updated under an hour ago (Oct 27, 2026, 6:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 23, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 5bf196f1936bf93df31112fbdfb78c03537c07b0 before 69cf90e5aa50fe3cb0c1a63cabc4761db44b0035; 72d95924ee35c8cd16ef52f912483ee938a34d49 builds before 8f8a07ad04da5b3c90fab61c33d4a8256a680591; 72d95924ee35c8cd16ef52f912483ee938a34d49 builds before 4afb1352b85d7deb777694fba16d13c30c08776f; 72d95924ee35c8cd16ef52f912483ee938a34d49 builds before 4eab1c27ce1f0e89ab67b01bf1e4e4c75215708a; d66f2607d89f760cdffed88b22f309c895a2af20; from 6.6.35 before 6.6.103; from 6.9.6 before 6.10	CNA record
linux linux_kernel linux:linux_kernel	before 6.6.103; from 6.7 before 6.12.44; from 6.13 before 6.16.4	NVD

References

References

https://git.kernel.org/stable/c/69cf90e5aa50fe3cb0c1a63cabc4761db44b0035	patch
https://git.kernel.org/stable/c/8f8a07ad04da5b3c90fab61c33d4a8256a680591	patch
https://git.kernel.org/stable/c/4afb1352b85d7deb777694fba16d13c30c08776f	patch
https://git.kernel.org/stable/c/4eab1c27ce1f0e89ab67b01bf1e4e4c75215708a	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.