SB2018030629 - NULL pointer dereference in xen (Alpine package)



SB2018030629 - NULL pointer dereference in xen (Alpine package)

Published: March 6, 2018

Security Bulletin ID SB2018030629
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2018-7542)

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.

Remediation

Install update from vendor's website.