DEBIAN-CVE-2023-42467

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2023-42467
Published: 11 Sept 2023, 04:15
Last modified:28 Apr 2026, 20:26

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Sept 2023, 04:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:26
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•qemu

    < 1:7.2+dfsg-7+deb12u3 | < 1:8.1.1+ds-1 | < 1:8.1.1+ds-1

References (1)