kernel: net/sched: cls_api: fix error handling causing NULL dereference

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...

PT-2025-11019

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A NULL pointer dereference issue has been identified in the Linux kernel. The problem arises from incorrect error handling in the tcf exts miss cookie base alloc function, which...