CVE-2022-0216

State: Published
Severity: Not scored
Published: Aug 26, 2022
Updated: Aug 2, 2024
Reserved: Jan 13, 2022

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
QEMUn/a	Affects QEMU < v6.0.0, Fixed in v7.1.0-rc0Affected

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
FEDORA-2022-4387579e67vendor-advisory

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