CVE-2022-0216

low-risk
Published 2022-08-26

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Fedoraproject Qemu

References (12)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-0216
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2036953
Patch https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
Exploit https://gitlab.com/qemu-project/qemu/-/issues/972
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Exploit https://starlabs.sg/advisories/22/22-0216/
Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-0216
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2036953
Patch https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
Exploit https://gitlab.com/qemu-project/qemu/-/issues/972
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Exploit https://starlabs.sg/advisories/22/22-0216/
22
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low