Linux Distros Unpatched Vulnerability : CVE-2026-43391

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not...

CVE-2026-43391

A flaw was found in the Linux kernel's nsfs component. This vulnerability allows privileged services to potentially view the namespaces of other privileged services, leading to information disclosure. This could enable unauthorized access to sensitive data or configurations between isolated...

DEBIAN-CVE-2026-43391

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper...