In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Fix payload page pool error cleanup The payload page pool pointer… (CVE-2026-98630)

The Linux kernel vulnerability CVE-2026-98630 affects the fbnic Ethernet driver. When the payload page pool allocation fails, the pointer contains an error value. The cleanup code erroneously passes this error pointer to page_pool_destroy() instead of properly destroying the header page pool. This flaw can cause a dereference of an invalid error pointer and result in the header page pool not being freed correctly. The fix involves ensuring the header page pool is destroyed properly during cleanup.

The vulnerability may lead to improper resource cleanup, specifically leaving the header page pool allocated. This could cause resource leakage or instability in the kernel's Ethernet driver. There is no indication of direct code execution or privilege escalation from the provided data.

A fix for this vulnerability has been implemented in the Linux kernel. Users should apply the official kernel updates that include this correction. Since no vendor advisory or patch links are provided, check the Linux kernel official repositories or security advisories for the relevant patch and update accordingly.