CVE-2026-31422

A flaw was found in the Linux kernel's networking scheduler (net/sched) component, specifically within the flow classifier (cls_flow). A local user could exploit this vulnerability by creating a flow filter without a fully qualified baseclass on a shared block. This action causes a null pointer dereference, which can lead to a system crash, resulting in a Denial of Service (DoS).

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.