NULL pointer dereference in Xen - CVE-2018-7542

 

NULL pointer dereference in Xen - CVE-2018-7542

Published: May 10, 2018


Vulnerability identifier: #VU12546
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-7542
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

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

The weakness exists due to NULL pointer dereference. An adjacent attacker can cause the service to crash by leveraging the mishandling of configurations that lack a Local APIC.

How to mitigate CVE-2018-7542

Install update from vendor's website.

Sources