UpHeron
All vulnerabilities

Servers and applications

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated.

Severity
High 7.8
Published
22 Oct 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Every version up to 4.14.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-27670
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-27670