CVE-2016-7156

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Summary

CVECVE-2016-7156
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-10 00:59:13 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging an incorrect cast.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000750000 probability, percentile 0.223830000 (date 2026-05-10)

Problem Types: CWE-704 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Application Qemu Qemu All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
git.qemu.org Git - qemu.git/commit af854a3a-2127-422b-91ae-364da2661108 git.qemu.org
[SECURITY] [DLA 1599-1] qemu security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[Qemu-devel] [PATCH v3] scsi: pvscsi: avoid infinite loop while building af854a3a-2127-422b-91ae-364da2661108 lists.gnu.org Patch, Third Party Advisory
oss-security - Re: CVE request: Qemu: scsi: pvscsi: infintie loop when building SG list af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
QEMU 'pvscsi_convert_sglist()' Function Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
[Qemu-devel] [PATCH v2] scsi: pvscsi: check request descriptor SG elemen af854a3a-2127-422b-91ae-364da2661108 lists.gnu.org Patch, Third Party Advisory
oss-security - CVE request: Qemu: scsi: pvscsi: infintie loop when building SG list af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
git.qemu.org Git - qemu.git/commit MITRE git.qemu.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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