CVE-2022-0216
QEMU: use-after-free in lsi_do_msgout function in hw/scsi/lsi53c895a.c
Severity
LowRed Hat Product Security
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 · 5.3CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE-416 · Use After Free