This update for xen fixes the following issues: - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests . - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions . - CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup . - CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs . - CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code . - CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering . - CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering . - Fixed an issue where dump-core shows missing nr_pages during core . - Multiple other bugs