Vulnerabilities > CVE-2022-0216 - Use After Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 36 | |
| OS | 1 |
Common Weakness Enumeration (CWE)
References
- 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
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/