Not yet scoredPublished Dec 16, 2025

CVE-2025-68300fs/namespace: fix reference leak in grab_requested_mnt_ns

Updated under an hour ago (Oct 27, 2026, 4:23 PM ET)

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grab_requested_mnt_ns lookup_mnt_ns() already takes a reference on mnt_ns. grab_requested_mnt_ns() doesn't need to take an extra reference.

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 ba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf before 4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5; from 8ff97ade912dcfc5ac1783c4b8d615aacd26fd17 before fe256e59b8e7f126b2464ee32bd9fee131f0a883; 78f0e33cd6c939a555aa80dbed2fec6b333a7660 builds before 7b6dcd9bfd869eee7693e45b1817dac8c56e5f86	CNA record

References

References

https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5
https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883
https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86

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.