Vulnerabilities > Citrix > Xenserver > 7.6
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2018-12-08 | CVE-2018-19965 | An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. | 5.6 |
| 2018-12-08 | CVE-2018-19962 | Information Exposure vulnerability in multiple products 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 small IOMMU mappings are unsafely combined into larger ones. | 7.8 |
| 2018-12-08 | CVE-2018-19961 | Incomplete Cleanup vulnerability in multiple products 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. | 7.8 |