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Vulnerability record · CVE-2018-19962 · published 8 December 2018

CVE-2018-19962: Xen information exposure 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 small IOMMU mappings are unsafely combined into larger ones.

7.8 CVSS 3.0 High EPSS 0.41% · top 67.4% CWE-200 · Information exposure
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 small IOMMU mappings are unsafely combined into larger ones.

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-2018-19962 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2018-19962), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.