SB2022070634 - Red Hat Enterprise Linux 9 update for qemu-kvm



SB2022070634 - Red Hat Enterprise Linux 9 update for qemu-kvm

Published: July 6, 2022

Security Bulletin ID SB2022070634
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) Use-after-free (CVE-ID: CVE-2022-26353)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the virtio-net device of QEMU. A privileged user can exploit this issue to crash QEMU or potentially execute arbitrary code with elevated privileges.


2) Improper Resource Shutdown or Release (CVE-ID: CVE-2022-26354)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists in the vhost-vsock device of QEMU. A local user can trigger the error and gain access to sensitive information.


Remediation

Install update from vendor's website.