CVE-2026-72392

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A NULL pointer dereference exists in the IPv6 forwarding information base (fib6) during multi-batch dumps. The inet6 dump fib() function saves progress using a positional index in cb->args[1]. If fib6 new table() concurrently inserts a new table at the chain head, the positional index shifts, causing fib6 dump table() to assign the wrong root table while the node still references the previous one. This leads to a kernel panic when fib6 walk continue() dereferences w->node->parent (NULL).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.