Vulnerabilities > CVE-2023-42467 - Divide By Zero vulnerability in Qemu
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c
- https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c
- https://gitlab.com/qemu-project/qemu/-/issues/1813
- https://gitlab.com/qemu-project/qemu/-/issues/1813
- https://security.netapp.com/advisory/ntap-20231103-0005/
- https://security.netapp.com/advisory/ntap-20231103-0005/