CVE-2026-102700

The Xen hypervisor contains a vulnerability in gnttab where GNTTAB_cache_flush handling may cause a page reference leak . The root cause is an improperly adjusted error path following a NULL pointer check; the system fails to drop a page reference when the specified page is owned by special syste...

CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...