CVE-2026-63969

A flaw was found in the Linux kernel's IPv6 networking subsystem. A local attacker could trigger an infinite loop within the rt6fillnode function. This occurs when a writer removes an entry from a list without proper synchronization, causing a softirq-side process to continuously loop. The...

Linux Distros Unpatched Vulnerability : CVE-2026-63969

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a ipv6: fix possible infinite loop in...

CVE-2026-63969

The CVE-2026-63969 entry describes a Linux kernel issue where a potential infinite loop in rt6_fill_node() can occur due to unsafe manipulation of fib6_siblings while holding tb6_lock. The root cause is that rt->fib6_siblings.next can point into the old ring if a walker runs concurrently with ...

CVE-2026-63969

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers holding tb6lock can listdelrcu&rt-fib6sibling...