CVE-2022-0216 Information

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.

Reference

https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4 https://access.redhat.com/security/cve/CVE-2022-0216 https://starlabs.sg/advisories/22/22-0216/ https://gitlab.com/qemu-project/qemu/-/issues/972 https://bugzilla.redhat.com/show_bug.cgi?id=2036953