CVE-2026-100236: Red Hat Fast Datapath For Rhel 10

High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.

Affected products

• Red Hat Fast Datapath For Rhel 10
• Red Hat Fast Datapath For Rhel 8
• Red Hat Fast Datapath For Rhel 9
• Red Hat Red Hat Enterprise Linux 10
• Red Hat Red Hat Enterprise Linux 8
• Red Hat Red Hat Enterprise Linux 9
• Red Hat Red Hat Openshift Container Platform 4
• Red Hat Red Hat Openstack Platform 13 Queens

Published 2026-10-14. Last modified 2026-10-15.