GLSA-201810-06 : Xen: Multiple vulnerabilities (Foreshadow) (Meltdown) (Spectre)

The remote host is affected by the vulnerability described in GLSA-201810-06 Xen: Multiple vulnerabilities Multiple vulnerabilities have been discovered in Xen. Please review the referenced CVE identifiers for details. Impact : A local attacker could cause a Denial of Service condition or disclos...

Xen vcpu Destruction Handling Memory Exhaustion Guest-to-Host DoS (XSA-253)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host denial of service vulnerability. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or...

CVE-2018-5244

CVE-2018-5244 affects Xen 4.10, where MSR emulation overhaul leaves one tracking structure not freed when a vCPU is destroyed. This can enable a local attacker (guest OS administrator) to trigger a host‑memory denial of service by rebooting the guest multiple times. The entry documents a host‑mem...