net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext() This command: $ tc qdisc replace dev eth0 ingress_block 1 egress_block 1 clsact Error: block dev insert failed: -EBUSY. fails because user space requests the same block index to …
Severity high: primary CNA CVSS 7.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2024-11-19T17:19:32.095Z. Updated 2026-08-05T11:43:19.770Z.