Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 6.0.0 |
| Fedoraproject | Fedora | 37 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2022-0216Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2036953Issue TrackingThird Party Advisory
- https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4PatchThird Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/972ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://starlabs.sg/advisories/22/22-0216/ExploitThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-0216Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2036953Issue TrackingThird Party Advisory
- https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4PatchThird Party Advisory
- https://gitlab.com/qemu-project/qemu/-/issues/972ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://starlabs.sg/advisories/22/22-0216/ExploitThird Party Advisory
FAQ
What is CVE-2022-0216?
CVE-2022-0216 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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...
How severe is CVE-2022-0216?
CVE-2022-0216 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0216?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Fedoraproject Fedora.