Citrix Hypervisor Security Update
Article ID: CTX316325
Updated On:
Description
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 |
Instructions
Citrix has released a hotfix to address these issues. Citrix recommends that affected customers install this hotfix as their patching schedule allows. The hotfix can be downloaded from the following locations:Citrix Hypervisor 8.2 LTSR: CTX310674 – https://support.citrix.com/article/CTX310674
Additional Information
| Date | Change |
| 2021-06-23 | Initial Publication |
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