CVE-2023-42467

Published Sep 11, 2023

Last updated 5 months ago

CVSS medium 5.5

Overview

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.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-369

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5172ED53-5D28-4A36-8A5E-61EF17F0ED53",
            "versionEndIncluding": "8.0.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References