Not yet scoredPublished Dec 4, 2025

CVE-2025-40217pidfs: validate extensible ioctls

Updated under an hour ago (Oct 26, 2026, 9:00 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: pidfs: validate extensible ioctls Validate extensible ioctls stricter than we do now.

CVSS: Not yet scored
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: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 5b08bd408534bfb3a7cf5778da5b27d4e4fffe12 before bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04; 5b08bd408534bfb3a7cf5778da5b27d4e4fffe12 builds before 3c17001b21b9f168c957ced9384abe969019b609	CNA record

References

References

https://git.kernel.org/stable/c/bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04
https://git.kernel.org/stable/c/3c17001b21b9f168c957ced9384abe969019b609

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.