CVE-2023-42467

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 11 Sept 2023, 00:00
Last modified:26 Sept 2024, 17:36

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

11 Sept 2023, 00:00
Published
Vulnerability first disclosed
26 Sept 2024, 17:36
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

EPSS Trends

Current EPSS score: 0.02%• Percentile: 5%

Techniques & Countermeasures

  • CWE-369•Divide By Zero

    The product divides a value by zero.

Affected Systems

  • qemu•qemu

    ≤ 8.0.0

References (3)