3 results · Clear filters · Feed
-
Medium 6.5
Ovn: ovn: heap over-read in icmp error response generation
When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length (ip_tot_len for IPv4, ip6_plen for IPv6) without validati…
-
Medium 6.5
Ovn: insufficient validation of bfd packets may lead to denial of service
A flaw was found in the Open Virtual Network (OVN). In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers,…
-
Medium 5.3
Service monitor mac flow is not rate limited
A flaw was found in Open Virtual Network where the service monitor MAC does not properly rate limit. This issue could allow an attacker to cause a denial of service, including on deployments with CoPP enabled and properly configured.