Security XCP-ng Security Bulletin: kernel update (SACK vulnerability) A vulnerability in the Linux kernel may allow an attacker to cause the host to crash or trigger an excessive consumption of resources, by sending specially crafted traffic to the host.
Security XCP-ng Security Bulletin: MDS hardware vulnerabilities in Intel CPUs Latest XCP-ng security bulletin, dedicated to the recently discovered MDS attacks on Intel CPUs. Update available but also requires extra steps for full mitigation.
Security XCP-ng Security Bulletin: multiple vulnerabilities related to PV guests Here is the latest XCP-ng security bulletin. All those vulnerabilities are patched and **already available in XCP-ng updates** (For both XCP-ng 7.5 and 7.6)