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Vulnerability record · public intelligence
CVE-2016-7423
MEDIUM

CVE-2016-7423

Published Oct 10, 2016 · Updated Oct 23, 2026

Severity · CVSSMEDIUM · 4.4
Known exploitationNot listed
EPSS / likelihood0.41%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 2026

The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix 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.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
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

  1. GLSA-201611-11 ↗
  2. bugzilla.redhat.com ↗
  3. 92997 ↗
  4. [qemu-devel] 20160915 [PULL 03/17] scsi: mptsas: use g_new0 to allocate MPTSASRequest object ↗
  5. git.qemu.org ↗
  6. [oss-security] 20160916 Re: CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object ↗
  7. [oss-security] 20160916 CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object ↗

Record history

Published Oct 10, 2016 · Last refreshed Oct 23, 2026