CVE Database›Document archive›CVE-2022-0216

CVE-2022-0216

QEMU: use-after-free in lsi_do_msgout function in hw/scsi/lsi53c895a.c

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Severity

Low

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · March 28, 2022

Updated · June 28, 2026

Description

A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.

Statement

The qemu-kvm package versions as shipped with Red Hat Enterprise Linux and RHEL Advanced Virtualization are not affected by this issue, as they are not built with LSI53C895A support.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

CWE-416 · Use After Free