EUVD-2026-55504

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix GSO userspace truncation underflow OVSACTIONATTRTRUNC currently stores a delta from the original skb length in OVSCBskb-cutlen. When a later userspace action segments a GSO skb, queuegsopackets reuses that delta...

CVE-2026-68123

Open vSwitch vulnerability CVE-2026-68123 concerns GSO truncation underflow in the Linux kernel’s handling of OVS_ACTION_ATTR_TRUNC. The issue arises when a later userspace action segments a GSO skb and reuses the delta stored in OVS_CB(skb)->cutlen for each segment, which can lead to a cutlen...