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Citrix Releases Security Updates for Hypervisor

Scheduled updates for Citrix Hypervisor

Report a cyber attack: call 0300 303 5222 or email carecert@nhsdigital.nhs.uk

Summary

Scheduled updates for Citrix Hypervisor


Affected platforms

The following platforms are known to be affected:

Threat details

Introduction

Citrix has released security updates to address vulnerabilities in Hypervisor. An attacker could exploit these vulnerabilities to take control of an affected system.


Remediation advice

Affected organisations are encouraged to review Citrix Security Update CTX335432 and install the relevant hotfixes. 

NOTE: there are two hot fixes for each of the following: 

  • Citrix Hypervisor 8.2 CU1 LTSR: (CTX338448 and CTX335882)
  • Citrix Hypervisor 8.2: (CTX338444 and CTX335880 )
  • Citrix XenServer 7.1 LTSR CU2: (CTX335531 and CTX335881)

Remediation steps

Type Step
Patch

Hotfix XS82ECU1001 - For Citrix Hypervisor 8.2 Cumulative Update 1 
(Hotfix 1 of 2)


https://support.citrix.com/article/CTX338448
Patch

Hotfix XS82ECU1002 - For Citrix Hypervisor 8.2 Cumulative Update 1
(Hotfix 2 of 2)


https://support.citrix.com/article/CTX335882
Patch

Hotfix XS82E035 - For Citrix Hypervisor 8.2

(Hotfix 1 of 2)


https://support.citrix.com/article/CTX338444
Patch

Hotfix XS82E036 - For Citrix Hypervisor 8.2

(Hotfix 2 of 2)


https://support.citrix.com/article/CTX335880
Patch

Hotfix XS71ECU2069 - For XenServer 7.1 Cumulative Update 2

(Hotfix 1 of 2)


https://support.citrix.com/article/CTX335531
Patch

Hotfix XS71ECU2070 - For XenServer 7.1 Cumulative Update 2

(Hotfix 2 of 2)


https://support.citrix.com/article/CTX335881

Definitive source of threat updates


CVE Vulnerabilities

Last edited: 17 January 2022 1:04 pm