Astra Linux – Vulnerability in OpenVSwitch

A flaw was discovered in Open vSwitch, allowing ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may enable a local attacker to create specially crafted packets with a modified or spoofed target IP address field, which can redirect ICMPv6 traffic...

kernel: gso: do not skip outer ip header in case of ipip and net_failover

In the Linux kernel, the following vulnerability has been resolved: gso: do not skip outer ip header in case of ipip and netfailover We encounter a tcp drop issue in our cloud environment. Packet GROed in host forwards to a VM virtionet nic with netfailover enabled. VM acts as a IPVS LB with ipip...