Hello - in preparing to pull the trigger on our 11.1 to 11.2 I ran a final search here and elsewhere in the geonet community as well at the Patches and Updates site: This was just released:
https://support.esri.com/en-us/patches-updates/2023/defective-arcgis-enterprise-patch
PATCHES AND UPDATES
IMPORTANT: Defective Portal for ArcGIS patch
Published: December 8, 2023
A defect has been identified in the Portal for ArcGIS Enterprise Sites Security Patch for 10.8.1, 10.9.1, and 11.1. This patch was initially released in late June 2023 and has been disabled for download as of October 12, 2023 while this defect is investigated. ArcGIS Enterprise 10.8.1, 10.9.1, and 11.1 deployments on Windows with this patch installed are affected by this issue.
The ArcGIS Enterprise Development team is actively working on a fix. In the meantime, if you have installed this patch, it is critical to not install any additional Portal for ArcGIS patches or hot fixes, uninstall any Portal for ArcGIS patches including this defective Portal for ArcGIS Enterprise Sites Security Patch, or uninstall or upgrade your Portal for ArcGIS environment. This site will be updated with further details.
We are here to help. If you have any questions regarding this information, please reach out to Esri Technical Support or your Esri account manager.
Support did confirm. Unfortunately, I do have this patch installed (although it may have installed properly back on 06/28/23, the patch notification tool continued to show the patch as available).