CVE-2026-23247 | Linux Kernel up to 6.18.16/6.19.6/7.0-rc2 tcp siphash downgrade (EUVD-2026-12810 / Nessus ID 302908)
A vulnerability identified as problematic has been detected in Linux Kernel up to 6.18.16/6.19.6/7.0-rc2. Impacted is the function siphash of the component tcp. The manipulation leads to algorithm downgrade.
This vulnerability is documented as CVE-2026-23247. The attack can be initiated remotely. There is not any exploit available.
You should upgrade the affected component.