Linux Distros Unpatched Vulnerability : CVE-2026-31678

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev...

UBUNTU-CVE-2025-40215

In the Linux kernel, the following vulnerability has been resolved: xfrm: delete x-tunnel as we delete x The ipcomp fallback tunnels currently get deleted from the various lists and hashtables as the last user state that needed that fallback is destroyed not deleted. If a reference to that user...

AZL-58584 CVE-2025-21858 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in genevefinddev. syzkaller reported a use-after-free in genevefinddev 0 without repro. geneveconfigure links struct genevedev.next to netgenericnet, genevenetid-genevelist. The net here could differ fr...

UBUNTU-CVE-2025-21858

In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in genevefinddev. syzkaller reported a use-after-free in genevefinddev 0 without repro. geneveconfigure links struct genevedev.next to netgenericnet, genevenetid-genevelist. The net here could differ fr...