CVE-2026-90248

This Linux kernel vulnerability affects the net/sched: cls_api (traffic control classifier) subsystem. In tc_new_tfilter(), when a caller loses the insert race in tcf_chain_tp_insert_unique(), the tp_created flag is never cleared. The loser's error path then treats the winner's live proto as its ...

EUVD-2026-81841

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix teardown of an adopted proto on insert-race loss In tcnewtfilter the create branch sets tpcreated = 1 before calling tcfchaintpinsertunique. When the caller loses the race another request inserted a proto a...