CVE-2023-42467
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2023-42467
To remediate CVE-2023-42467, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:7.2+dfsg-7+deb12u3 or later
Is CVE-2023-42467 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:7.2+dfsg-7+deb12u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |