CVE-2026-79602High· 8.8▾ TwilightA guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
8.8 → —
high → none
— → 8.8
none → high
8.8 → —
high → none
— → 8.8
none → high
8.8 → —
high → none
— → 8.8
none → high
A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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…
CVE-2026-64780Medium· 4.3The issue was addressed with improved checks
CVE-2026-65338Medium· 4.3The issue was addressed with improved memory handling
CVE-2026-65334Medium· 4.3A memory corruption issue was addressed with improved state management
CVE-2026-65335Medium· 4.3This issue was addressed through improved state management
CVE-2026-65341Medium· 5.4The issue was addressed with improved memory handling