CVE-2018-19964 : An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a den

An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains unavailable indefinitely in certain error conditions.

Published 2018-12-08 04:29:00

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-19964

XEN » XEN
Versions from including (>=) 4.11.0 and up to, including, (<=) 4.11.1
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-19964

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-19964

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C	3.9	6.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
6.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	2.0	4.0	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High

References for CVE-2018-19964

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

Xen Multiple Privilege Escalation and Denial of Service Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://xenbits.xen.org/xsa/advisory-277.html

XSA-277 - Xen Security Advisories
Mitigation;Patch;Vendor Advisory

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Vulnerability Details : CVE-2018-19964

Products affected by CVE-2018-19964

Exploit prediction scoring system (EPSS) score for CVE-2018-19964

CVSS scores for CVE-2018-19964

References for CVE-2018-19964