SB2022070634 - Red Hat Enterprise Linux 9 update for qemu-kvm
Published: July 6, 2022
Breakdown by Severity
- 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.