CVE-2016-7423 : The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when b

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.

Published 2016-10-10 16:59:02

Updated 2023-02-12 23:25:25

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2016-7423

Qemu » Qemu
Versions up to, including, (<=) 2.7.1
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-7423

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-2016-7423

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-2016-7423

http://www.securityfocus.com/bid/92997

QEMU CVE-2016-7423 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://security.gentoo.org/glsa/201611-11

QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=1376776

1376776 – (CVE-2016-7423) CVE-2016-7423 Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object
Issue Tracking;Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03604.html

[Qemu-devel] [PULL 03/17] scsi: mptsas: use g_new0 to allocate MPTSASReq
Mailing List;Patch;Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/11

oss-security - Re: CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object
Mailing List;Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=670e56d3ed2918b3861d9216f2c0540d9e9ae0d5

QEMU · GitLab
http://www.openwall.com/lists/oss-security/2016/09/16/5

oss-security - CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object
Mailing List;Third Party Advisory

Jump to

Vulnerability Details : CVE-2016-7423

Products affected by CVE-2016-7423

Exploit prediction scoring system (EPSS) score for CVE-2016-7423

CVSS scores for CVE-2016-7423

References for CVE-2016-7423