CVE-2016-7155 : hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out

hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds access or infinite loop, and QEMU process crash) via a crafted page count for descriptor rings.

Published 2016-12-10 00:59:12

Updated 2020-10-15 17:23:25

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2016-7155

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7155

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
4.4	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	0.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2016-7155

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html

[Qemu-devel] [PATCH v3] scsi: check page count while initialising descri
Patch;Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/07/1

oss-security - Re: CVE request: Qemu: scsi: pvscsi: OOB read and infinite loop while setting descriptor rings
Mailing List;Third Party Advisory
http://git.qemu.org/?p=qemu.git;a=commit;h=7f61f4690dd153be98900a2a508b88989e692753

git.qemu.org Git - qemu.git/commit
Patch;Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/09/06/2

oss-security - CVE request: Qemu: scsi: pvscsi: OOB read and infinite loop while setting descriptor rings
Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[SECURITY] [DLA 1599-1] qemu security update
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/92772

QEMU '/scsi/vmw_pvscsi.c' Local Denial of Service Vulnerability
Third Party Advisory;VDB Entry

Products affected by CVE-2016-7155

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Qemu » Qemu
Versions up to, including, (<=) 2.7.1
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2016-7155

Exploit prediction scoring system (EPSS) score for CVE-2016-7155

CVSS scores for CVE-2016-7155

References for CVE-2016-7155

Products affected by CVE-2016-7155