CVE-2022-2835

A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of ..svc...

HVMOP_set_mem_access is not preemptible

ISSUE DESCRIPTION Processing of the HVMOPsetmemaccess HVM control operations does not check the size of its input and can tie up a physical CPU for extended periods of time. IMPACT In a configuration where device models run with limited privilege for example, stubdom device models, a guest attack...