Vulnerability 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 Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 8.0.0 |
Related Weaknesses (CWE)
References
- https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53f
- https://gitlab.com/qemu-project/qemu/-/issues/1813ExploitIssue TrackingThird Party Advisory
- https://security.netapp.com/advisory/ntap-20231103-0005/
- https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53f
- https://gitlab.com/qemu-project/qemu/-/issues/1813ExploitIssue TrackingThird Party Advisory
- https://security.netapp.com/advisory/ntap-20231103-0005/
FAQ
What is CVE-2023-42467?
CVE-2023-42467 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 a...
How severe is CVE-2023-42467?
CVE-2023-42467 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-42467?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.