CVE-2026-79602

Summary

A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.

Affected Software

Weaknesses

Workarounds

There is no mitigation available.

ADP Enrichment

CVE Program Container

Additional References

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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://xenbits.xenproject.org/xsa/advisory-510.html

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