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CVE-2018-19961

Good to know:

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Date: December 7, 2018

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.

Language: C

Severity Score

Related Resources (11)

https://www.debian.org/security/2019/dsa-4369
https://support.citrix.com/article/CTX239432
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19961
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
https://xenbits.xen.org/xsa/advisory-275.html
https://nvd.nist.gov/vuln/detail/CVE-2018-19961
http://www.securityfocus.com/bid/106182
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
https://access.redhat.com/security/cve/CVE-2018-19961
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
https://www.mend.io/vulnerability-database/CVE-2018-19961

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Incomplete Cleanup

CWE-459

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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