SB2023080619 - openEuler 22.03 LTS SP1 update for qemu



SB2023080619 - openEuler 22.03 LTS SP1 update for qemu

Published: August 6, 2023

Security Bulletin ID SB2023080619
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Privilege Management (CVE-ID: CVE-2023-0664)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management in the QEMU Guest Agent service for Windows. A local user can manipulate the QEMU Guest Agent's Windows installer via repair custom action and escalate privileges on the system.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-2861)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error in the 9p passthrough filesystem (9pfs) implementation in QEMU. A local user can escape from the exported 9p tree by creating and opening a device file in the shared folder.


Remediation

Install update from vendor's website.