several security updates
    
    x86: unintended memory sharing between guests [XSA-412, CVE-2022-42327]
    Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309]
    Xenstore: Guests can create orphaned Xenstore nodes [XSA-415,
    	CVE-2022-42310]
    Xenstore: guests can let run xenstored out of memory [XSA-326,
    	CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314,
    	CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318]
    Xenstore: Guests can cause Xenstore to not free temporary memory
    	[XSA-416, CVE-2022-42319]
    Xenstore: Guests can get access to Xenstore nodes of deleted domains
    	[XSA-417, CVE-2022-42320]
    Xenstore: Guests can crash xenstored via exhausting the stack
    	[XSA-418, CVE-2022-42321]
    Xenstore: Cooperating guests can create arbitrary numbers of nodes
    	[XSA-419, CVE-2022-42322, CVE-2022-42323]
    Oxenstored 32->31 bit integer truncation issues [XSA-420, CVE-2022-42324]
    Xenstore: Guests can create arbitrary number of nodes via transactions
    	[XSA-421, CVE-2022-42325, CVE-2022-42326]