This update for xen fixes the following issues: - CVE-2022-26365: Fixed issue where Linux Block and Network PV device frontends don"t zero memory regions before sharing them with the backend . - CVE-2022-33740: Fixed issue where Linux Block and Network PV device frontends don"t zero memory regions before sharing them with the backend . - CVE-2022-33741: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend . - CVE-2022-33742: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend . - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing . - CVE-2021-28689: Fixed speculative vulnerabilities with bare 32-bit PV guests . - CVE-2022-33748: Fixed DoS due to race in locking .