CVE-2026-98303 | Linux Kernel up to 7.3-rc3 ICMP net/ipv4/route.c icmp_route_lookup race condition

October 6, 2026 Yanac

A vulnerability, which was classified as critical, was found in Linux Kernel up to 7.3-rc3. This affects the function icmp_route_lookup of the file net/ipv4/route.c of the component ICMP. Executing a manipulation can lead to race condition.

This vulnerability is tracked as CVE-2026-98303. The attack can be launched remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More