This update for xen fixes the following issues:
CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).
Integrate bugfixes (bsc#1189373, bsc#1189378).
{ "binaries": [ { "xen": "4.9.4_22-3.94.2", "xen-doc-html": "4.9.4_22-3.94.2", "xen-libs": "4.9.4_22-3.94.2", "xen-libs-32bit": "4.9.4_22-3.94.2", "xen-tools": "4.9.4_22-3.94.2", "xen-tools-domU": "4.9.4_22-3.94.2" } ] }
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3213-1.json"