8.8

CVE-2026-79602

x86: improper handling of HVM emulation return codes

A guest with a PCI device assigned that has at least a BAR on the IO port
space can trigger a BUG() in Xen.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerXen
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Produkt Xen
Default Statusunknown
Version consult Xen advisory XSA-510
Status unknown
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.066
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

https://xenbits.xenproject.org/xsa/advisory-510.html
http://xenbits.xen.org/xsa/advisory-510.html
http://www.openwall.com/lists/oss-security/2026/09/08/7