The vendor has published 2 unique mention(s) for this bug: 1. When FAS was used for session authentication, in-session smart card operations could be very slow or unresponsive. Client certificate authentication and page loads could take several minutes to complete because card polling stalled repeatedly. 2. When you use Linux VDA with FAS authentication and in-session smart card redirection on version 2511 or later, applications might become unresponsive or take significantly longer to launch. Latest urls for this bug: 1. https://docs.citrix.com/us/en/linux-virtual-delivery-agent/2507-ltsr/whats-new/cumulative-update-2/fixed-issues.html 2. https://docs.citrix.com/us/en/linux-virtual-delivery-agent/2607-ltsr/whats-new/fixed-issues.html