SUSE-SU-2023:0847-1 Security update for xen

This update for xen fixes the following issues: - CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode bsc1209017. - CVE-2022-42333,CVE-2022-42334: Fixed x86/HVM pinned cache attributes mis-handling bsc1209018. - CVE-2022-42331: Fixed speculative vulnerability in 32bit SYSCALL...