CVE-2023-42467

Published: Sep 11, 2023Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Qemu: Qemu

Qemu

1 product

Qemu

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Qemu Qemu	Up to 8.0.0

Related CWEs

CWE-369

Divide By Zero

The product divides a value by zero.

References (6)

https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c

Source: cve@mitre.org

https://gitlab.com/qemu-project/qemu/-/issues/1813

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://security.netapp.com/advisory/ntap-20231103-0005/

Source: cve@mitre.org

https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c

Source: af854a3a-2127-422b-91ae-364da2661108

https://gitlab.com/qemu-project/qemu/-/issues/1813

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingThird Party Advisory

https://security.netapp.com/advisory/ntap-20231103-0005/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.