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Vulnerability record · CVE-2018-19961 · published 8 December 2018

CVE-2018-19961: Xen vulnerability

Xen · Xen

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 CVSS 3.0 High EPSS 0.41% · top 67.4% CWE-459 · CWE-459
7.8CVSS 3.0 base score, v2 6.9
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://www.securityfocus.com/bid/106182 Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7
https://support.citrix.com/article/CTX239432 Third Party Advisory
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
https://xenbits.xen.org/xsa/advisory-275.html PatchVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://www.securityfocus.com/bid/106182 Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7
https://support.citrix.com/article/CTX239432 Third Party Advisory
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
https://xenbits.xen.org/xsa/advisory-275.html PatchVendor Advisory

Track CVE-2018-19961 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2018-19961), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.