SB2017112831 - Fedora 26 update for xen



SB2017112831 - Fedora 26 update for xen

Published: November 28, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017112831
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Infinite loop (CVE-ID: CVE-2017-17044)

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

The weakness exists due to an infinite loop. An adjacent attacker can trigger an error handling flaw in the processing of errors from the Populate on Demand (PoD) code and cause the service to crash.

2) Privilege escalation (CVE-ID: CVE-2017-17045)

The vulnerability allows an adjacent attacker to gain elevated privileges on the target system.

The weakness exists due to improper privileges control. An adjacent attacker can trigger a p2m error checking flaw in the Populate on Demand (PoD) code and gain write access to freed memory and gain elevated privileges on the host system.

Remediation

Install update from vendor's website.