Citrix Hypervisor Security Update

Two security issues have been identified in Citrix Hypervisor 8.2 LTSR, each of which may allow privileged code in a guest VM to cause the host to crash or become unresponsive. These issues only affect Citrix Hypervisor 8.2 LTSR.
These issues have the following CVE identifiers:

• CVE-2021-3416
• CVE-2021-20257
  CVE ID| Description| Pre-conditions
  —|—|—
  CVE-2021-3416| privileged code in a guest VM may cause the host to crash or become unresponsive| must be able to execute privileged code in the guest VM
  CVE-2021-20257| privileged code in a guest VM may cause the host to crash or become unresponsive| must be able to execute privileged code in the guest VM