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Vulnerability Details : 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.
Publish Date : 2018-12-08 Last Update Date : 2019-10-03
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Gain privileges
CWE ID 459

- Products Affected By CVE-2018-19961

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 7.0 * * * Version Details Vulnerabilities
2 Application Citrix Xenserver 7.1 CU1 * * Version Details Vulnerabilities
3 Application Citrix Xenserver 7.5 * * * Version Details Vulnerabilities
4 Application Citrix Xenserver 7.6 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
6 OS XEN XEN * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 4
Debian Debian Linux 1

- References For CVE-2018-19961
MLIST [debian-lts-announce] 20191008 [SECURITY] [DLA 1949-1] xen security update
SUSE openSUSE-SU-2019:1226[email protected]/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
BID 106182 Xen Multiple Privilege Escalation and Denial of Service Vulnerabilities Release Date:2019-04-03

- Metasploit Modules Related To CVE-2018-19961

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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