CVE-2026-92542
The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic…
- Risk score
- 41/100
- CVSS
- 6.9 v4.0
- Exploit chance (30 days)
- 0.1%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets t…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.9 medium
References
Original description
The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria: - UDP datagram - Destination port is the Swarm data-path port - Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to
Last activity 7 Oct 2026. Patch Forecast updates every hour.