Not yet scoredPublished Nov 12, 2025

CVE-2025-40195mount: handle NULL values in mnt_ns_release()

Updated under an hour ago (Oct 26, 2026, 5:23 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: mount: handle NULL values in mnt_ns_release() When calling in listmount() mnt_ns_release() may be passed a NULL pointer. Handle that case gracefully.

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)	1901c92497bd90caf608a474f1bf4d8795b372a2 builds before 2d68f8a7379d9c61005e982600c61948d4d019bd; 1901c92497bd90caf608a474f1bf4d8795b372a2 builds before 99ae3e70a293834d0274c46a37120c71a24a4995; 1901c92497bd90caf608a474f1bf4d8795b372a2 builds before 6c7ca6a02f8f9549a438a08a23c6327580ecf3d6	CNA record

References

References

https://git.kernel.org/stable/c/2d68f8a7379d9c61005e982600c61948d4d019bd
https://git.kernel.org/stable/c/99ae3e70a293834d0274c46a37120c71a24a4995
https://git.kernel.org/stable/c/6c7ca6a02f8f9549a438a08a23c6327580ecf3d6

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.