CVE-2022-0216

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.

• CWE-416
• CWE-416

• https://access.redhat.com/security/cve/CVE-2022-0216Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2036953Issue Tracking, Third Party Advisory
• https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4Patch, Third Party Advisory
• https://gitlab.com/qemu-project/qemu/-/issues/972Exploit, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
• https://starlabs.sg/advisories/22/22-0216/Exploit, Third Party Advisory
• https://access.redhat.com/security/cve/CVE-2022-0216Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2036953Issue Tracking, Third Party Advisory
• https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4Patch, Third Party Advisory
• https://gitlab.com/qemu-project/qemu/-/issues/972Exploit, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
• https://starlabs.sg/advisories/22/22-0216/Exploit, Third Party Advisory

Published

Aug 26, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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