SB2019112730 - Fedora 30 update for xen
Published: November 27, 2019 Updated: April 25, 2025
Security Bulletin ID
SB2019112730
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-19579)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to an error within the PCI device assignment process that allows usage of alternative methods in Xen. A remote attacker with access to the guest OS and a physical device can gain write data into memory on the host operating system.
Successful exploitation of the vulnerability may allow a remote attacker to escalate privileges on the host operating system.
Remediation
Install update from vendor's website.