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.

Score

CVSS 3.0 7.8 High

Status

Modified - cve@mitre.org

Published

2018-12-08

Last modified

2024-08-05

Weaknesses

CWE-459

Affected products

• Xenserver (Citrix)
• Debian Linux (Debian)
• Xen (Xen)

References

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
• http://www.securityfocus.com/bid/106182
• https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH…
• https://support.citrix.com/article/CTX239432
• https://www.debian.org/security/2019/dsa-4369
• https://xenbits.xen.org/xsa/advisory-275.html