CVE-2025-68300

creationtimestamp| type| source ---|---|--- 2026-04-02 17:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0397/ 2026-04-07 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260408...

CVE-2025-68300

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grabrequestedmntns lookupmntns already takes a reference on mntns. grabrequestedmntns doesn't need to take an extra reference...

CVE-2025-68300

The CVE-2025-68300 issue in the Linux kernel concerns a reference leak in grab_requested_mnt_ns within fs/namespace. The connected sources confirm the root cause was that grab_requested_mnt_ns() took an unnecessary extra reference, whereas lookup_mnt_ns() already holds a reference on mnt_ns. The ...