CVE-2018-19961
HIGH7.8EPSS 0.18%xen - security update
Published: 12/8/2018Modified: 12/3/2025
Also known as:ALPINE-CVE-2018-19961DEBIAN-CVE-2018-19961
Description
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.
Affected packages (4)
- Alpine/xenfrom 0, < 4.11.1-r0
- Debian/xenfrom 0, < 4.11.1-1
- Debian/xenfrom 0, < 4.4.4lts5-0+deb8u1
- Debian/xenfrom 0, < 4.8.5+shim4.10.2+xsa282-1+deb9u11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |