CVE-2018-19962

Published: Dec 8, 2018Modified: Nov 21, 2024

7.8

Vector

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

Exploitability: 1.1 / Impact: 6.0

Source: 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.

Affected (6)

Products: Xen: Xen · Debian: Debian Linux · Citrix: Xenserver

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up to 4.11.1

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Configuration C

4 vulnerable

Vulnerable Software	Affected Versions
Citrix Xenserver	Version 7.0
Citrix Xenserver	Version 7.1 cu1
Citrix Xenserver	Version 7.5
Citrix Xenserver	Version 7.6

Related CWEs

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (14)

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

Source: cve@mitre.org

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

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

PatchVendor Advisory

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