Linux Distros Unpatched Vulnerability : CVE-2026-52909

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns...

CVE-2026-52909

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

EUVD-2026-38033

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

CVE-2026-52909

The CVE-2026-52909 issue affects the Linux kernel’s IPv6 Virtual Tunnel Interface (ip6_vti) fallback device: ip6_vti0 may be movable between network namespaces because netns_immutable is not set during initialisation. Multiple connected advisories confirm this root cause and indicate patches have...

CVE-2026-52909 ip6_vti: set netns_immutable on the fallback device.

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

PT-2026-50927

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The vti6 init net function fails to set the netns immutable flag on the per-netns fallback tunnel device 'ip6 vti0'. This flag is intended to prevent the device from being moved to anoth...