xen: When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes
CVE-2023-34323 is fixed in xen on 1 platform, first by DEBIAN-CVE-2023-34323, released January 5, 2024. It is not reported as exploited. Patch Radar priority: Routine.
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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.17.2+76-ge1f9cb16e2-1~deb12u1 | DEBIAN-CVE-2023-34323 | Jan 5, 2024 |
| xen · Debian 13.5 (trixie) | 4.17.2+55-g0b56bed864-1 | DEBIAN-CVE-2023-34323 | Jan 5, 2024 |
| xen · Debian 14 | 4.17.2+55-g0b56bed864-1 | DEBIAN-CVE-2023-34323 | Jan 5, 2024 |
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