CVE-2026-23556

When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota...

CVE-2026-23556

CVE-2026-23556 affects Xen oxenstored: when tearing down a domain, node data is cleaned but quota usage counts are leaked. On domain ID reuse, a new domain can create fewer nodes before being over quota. Impact is locally exploitable high-severity (CVSS 4.0 base 9.4, HIGH confidentiality, integri...