SB2019112730 - Fedora 30 update for xen

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Main Vulnerability Database SB2019112730

SB2019112730 - Fedora 30 update for xen

Published: November 27, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019112730
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-19579)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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.

References