CVE-2025-68300
Not scored
fs/namespace: fix reference leak in grab_requested_mnt_ns
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.
Exploit probability
0.2%
Published
December 16, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
4 explicit affected versions
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-68300
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5
- https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86
- https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68300.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-68300