SB2021012118 - Denial of service in Xen



SB2021012118 - Denial of service in Xen

Published: January 21, 2021

Security Bulletin ID SB2021012118
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: N/A)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. An HVM guests with PCI pass through devices can perform a denial of service attack by exhausting all IRQ vectors on the system.


Remediation

Install update from vendor's website.