All vulnerabilities

Servers and applications

CVE-2018-19961

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.

Severity
High 7.8
Published
8 Dec 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 35% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Every version up to 4.11.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-19961
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-19961