Detections
Analytics

CVE-2018-19961

high

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.

References

https://www.debian.org/security/2019/dsa-4369

https://support.citrix.com/article/CTX239432

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/

http://www.securityfocus.com/bid/106182

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html

https://xenbits.xen.org/xsa/advisory-275.html

https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html

Details

Source: Mitre, NVD

Published: 2018-12-08

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00108