SB2020040415 - Resource management error in xen (Alpine package)



SB2020040415 - Resource management error in xen (Alpine package)

Published: April 4, 2020

Security Bulletin ID SB2020040415
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
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) Resource management error (CVE-ID: CVE-2019-17345)

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

The vulnerability exists due to resource management error related to page type reference counting with failed IOMMU update. A local user of guest operating system can use a specially crafted kernel to perform denial of service attack against the host system.


Remediation

Install update from vendor's website.