CVE-2016-4441
Published May 20, 2016 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- [qemu-devel] 20160519 [PATCH 2/2] scsi: check dma length before reading scsi command(CVE-2016-4441) ↗
- USN-3047-1 ↗
- bugzilla.redhat.com ↗
- GLSA-201609-01 ↗
- USN-3047-2 ↗
- [oss-security] 20160519 CVE-2016-4441 Qemu: scsi: esp: OOB write while writing to 's-cmdbuf' in get_cmd ↗
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update ↗
- 90762 ↗
Record history
Published May 20, 2016 · Last refreshed Oct 23, 2026