Xen vulnerabilities
CVEs whose affected-version data names the Xen package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
3 CVEsRSS
CVE-2026-79603Medium· 4.3x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them
x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen (if needed) when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush,…
CVE-2026-79602High· 8.8⚖ disputedA guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.
A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.
CVE-2026-62437Medium· 6.5When guests are terminated, various pieces of cleanup need carrying out. The cleaning up of PCI devices which were assigned to guests, and the associated removal of tracking structures for IRQs used by the devices occurs relatively early…
When guests are terminated, various pieces of cleanup need carrying out. The cleaning up of PCI devices which were assigned to guests, and the associated removal of tracking structures for IRQs used by the devices occurs relatively early…