🛡️ CVE-2022-0216 — fedora
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.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
Weakness class
CVE-2022-0216 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.
Affected software
CVE-2022-0216 is recorded against 2 packages.
- fedora
- qemu (fixed in 6.0.0)
Timeline and source
Published on 26 August 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.
References
access.redhat.com
bugzilla.redhat.com
gitlab.com
gitlab.com
lists.fedoraproject.org
starlabs.sg
access.redhat.com
bugzilla.redhat.com
gitlab.com
gitlab.com
lists.fedoraproject.org
starlabs.sg
CVE-2022-0216 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| fedora | — | — |
| qemu | — | 6.0.0 |
References
Similar Threats
- High CVE-2022-0096
- High CVE-2022-0100
- Critical CVE-2022-0097
- High CVE-2022-0102
- High CVE-2022-0098
More CVE 2022 advisories
Browse all of CVE 2022 in the advisory index.
Exploit Protection
Are you running fedora?
CVE-2022-0216 carries CVSS 4.4 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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