CVE-2023-34323

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CVE-2023-34323

Summary:

Details: When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes. It would be possible that accounting is temporarily negative if a node has been removed outside of the transaction. Unfortunately, some versions of C Xenstored are assuming that the quota cannot be negative and are using assert() to confirm it. This will lead to C Xenstored crash when tools are built without -DNDEBUG (this is the default).

References: http://xenbits.xen.org/xsa/advisory-440.html, https://xenbits.xenproject.org/xsa/advisory-440.html