Vulnerability CVE-2022-4144: Information

Description

An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Published: Nov. 29, 2022
Modified: Nov. 7, 2023
Error type identifier: CWE-125

Fixed packages

References to Advisories, Solutions, and Tools

    1. Configuration 1

      cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
      End including
      7.1.0

      Configuration 2

      cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*

      cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

      Configuration 3

      cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*