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.
References (3)
Scores
CVSS v3
5.5
EPSS
0.0002
EPSS Percentile
4.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-369
Status
published
Products (1)
qemu/qemu
< 8.0.0
Published
Sep 11, 2023
Tracked Since
Feb 18, 2026