CVE-2016-4441: The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not prop...

Security readout for executives and security teams

CVE-2016-4441 is a QEMU virtualization flaw in emulated SCSI controller handling. A privileged administrator inside a guest VM could trigger a QEMU process crash, causing denial of service for that VM. The bundle does not show host code execution or active exploitation. Exposure is most relevant to virtualization hosts running affected QEMU builds with 53C9X/ESP SCSI emulation reachable by guest systems. The supplied affected-version data is incomplete, so teams should map exposure through installed QEMU packages and vendor advisories rather than relying on CPE data. Treat this as a moderate availability risk for QEMU-based virtualization, especially where guest administrators are not fully trusted. It should be patched through normal virtualization maintenance, with higher urgency for shared hosting, lab, and customer-controlled VM environments. Mitigation focus: Apply QEMU updates from the relevant OS or virtualization vendor advisory.; Prioritize hosts running untrusted, multi-tenant, or delegated-admin guest workloads.; Check whether deployed VMs use 53C9X/ESP SCSI controller emulation..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.