SB2014100203 - Race condition in Xen 



SB2014100203 - Race condition in Xen

Published: October 2, 2014 Updated: July 28, 2020

Security Bulletin ID SB2014100203
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
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) Race condition (CVE-ID: CVE-2014-7154)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors.


Remediation

Install update from vendor's website.