CVE-2023-42467
MEDIUM
5.5
CVSS Score
Published: September 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:23 AM UTC
1 product affected across 1 vendorQEMU
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
PoC
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
ExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://gitlab.com/qemu-project/qemu/-/issues/1813SSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-369
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