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When setting up interrupt remapping for legacy PCI(-X) devices, including PCI(-X) bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead to a deadlock.
Use CWE-833, Xen vendor hub and Xen product page to widen CVE-2025-1713 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-58143, CVE-2025-58142 and CVE-2025-27466 for nearby disclosures in the same product family.