https://freenode.net/article/xen-ships-batch-of-fixes-for-guest-escapes-spanning-grant-tables-pygrub-and-more
Xen ships batch of fixes for guest escapes spanning grant tables, pygrub, and more ยท freenode
Jul 28, 2026 - Six advisories close privilege-escalation and crash bugs across years of Xen releases, several reachable from untrusted guests.