CVE-2022-0216

medium

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.

References

https://starlabs.sg/advisories/22/22-0216/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/

https://gitlab.com/qemu-project/qemu/-/issues/972

https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4

https://bugzilla.redhat.com/show_bug.cgi?id=2036953

https://access.redhat.com/security/cve/CVE-2022-0216

Details

Source: Mitre, NVD

Published: 2022-08-26

Updated: 2023-02-12

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 4.4

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Severity: Medium