CVE advisoryCRITICAL
CVE-2026-31405
Linux could allow an external attacker to cause system outages.
Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.
An external attacker can exploit a vulnerability in Linux systems by sending malicious network data. This can crash servers to cause major service outages, or potentially allow them to gain complete control of the affected systems.