CVE-2026-98378 | Linux Kernel up to 7.3-rc4 Link Iterator kernel/bpf/syscall.c bpf_link_put use after free

October 9, 2026 Yanac

A vulnerability was found in Linux Kernel up to 7.3-rc4. It has been declared as very critical. Impacted is the function bpf_link_put of the file kernel/bpf/syscall.c of the component Link Iterator. Executing a manipulation can lead to use after free.

This vulnerability is registered as CVE-2026-98378. The attack needs to be launched locally. No exploit is available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More