CVE-2023-42467

QEMU: am53c974: denial of service due to division by zero

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Severity

Low

Red Hat Product Security

2.3

CVSS 3.1

Review impact separately from score.

Published · September 11, 2023

Updated · June 28, 2026

Description

A denial of service vulnerability was found in the qemu package. A division by zero in the scsi_disk_reset function can cause QEMU and the guest to stop immediately.

Statement

Triggering this bug requires kernel or root privileges in the guest VM because it requires direct hardware access. Anyone who has these privileges could also just perform a regular shutdown of the VM, with only a very slightly different result.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 2.3
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CWE-369 · Divide By Zero