CVE-2016-9907 : Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnera

Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.

Published 2016-12-23 22:59:00

Updated 2023-02-12 23:27:23

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2016-9907

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 6.0
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 7.0
cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 10
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 11
cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 9
cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
Matching versions
Redhat » Openstack » Version: 8
cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
Matching versions
Redhat » Virtualization » Version: 4.0
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
Matching versions
When used together with: Redhat » Enterprise Linux » Version: 7.0
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-2016-9907

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-2016-9907

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C	3.9	6.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
6.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	2.0	4.0	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2016-9907

CWE-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-9907

https://access.redhat.com/errata/RHSA-2017:2392

RHSA-2017:2392 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

[SECURITY] [DLA 1497-1] qemu security update
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/94759

QEMU '/hw/usb/redirect.c' Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://access.redhat.com/errata/RHSA-2017:2408

RHSA-2017:2408 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/201701-49

QEMU: Multiple vulnerabilities (GLSA 201701-49) — Gentoo security
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2016/12/08/3

oss-security - Re: CVE request Qemu: usb: redirector: memory leakage when destroying
Mailing List;Patch;Third Party Advisory

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Vulnerability Details : CVE-2016-9907

Products affected by CVE-2016-9907

Exploit prediction scoring system (EPSS) score for CVE-2016-9907

CVSS scores for CVE-2016-9907

CWE ids for CVE-2016-9907

References for CVE-2016-9907