CVE-2023-42467

MEDIUM EPSS 29.5%
Published Sep 11, 20232y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 11, 2023 2y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
29.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-369

Affected Products 1

VendorProductVersionRange
qemuqemu* ≤8.0.0

References 3

  • gitlab.com https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c
  • gitlab.com https://gitlab.com/qemu-project/qemu/-/issues/1813
    ExploitIssue TrackingThird Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20231103-0005/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.