CVE-2026-74700 | Linux Kernel up to 6.6.151/6.12.103/6.18.44/7.1.8 cls_api net/sched/cls_api.c tcf_proto_destroy rtnl_held use after free

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A vulnerability was found in Linux Kernel up to 6.6.151/6.12.103/6.18.44/7.1.8. It has been classified as very critical. This impacts the function tcf_proto_destroy of the file net/sched/cls_api.c of the component cls_api. The manipulation of the argument rtnl_held leads to use after free.

This vulnerability is traded as CVE-2026-74700. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More