VULNERABILITY INTELLIGENCE

CVE-2023-42467

CVSS score5.5 MEDIUM
EPSS probability0.41%
CISA KEVNot currently listed
Published2023-09-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in hw/scsi/scsi-disk.c because scsi_disk_emulate_mode_select does not prevent s->qdev.blocksize from being 256. This stops QEMU and the guest immediately.

Weakness classification

  • CWE-369: Divide By Zero

Primary references