Main Vulnerability Database Vulnerabilities #VU13520

#VU13520 Denial of service in Xen - CVE-2018-12891

Published: June 28, 2018 / Updated: June 29, 2018

Vulnerability identifier: #VU13520

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-12891

CWE-ID: CWE-264

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Xen

Software vendor:
Xen Project

Description

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The vulnerability exists on x86 systems due to unspecified flaw. An adjacent attacker can invoke certain PV MMU operations to preempt the current vCPU, prevent use of a physical CPU and cause the system to crash.

Remediation

Install update from vendor's website.

External links

http://xenbits.xen.org/xsa/advisory-264.html