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CVE-2016-9907

Date: December 23, 2016

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.

Severity Score

Related Resources (11)

https://security.gentoo.org/glsa/201701-49
https://access.redhat.com/security/cve/CVE-2016-9907
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9907
http://www.openwall.com/lists/oss-security/2016/12/08/3
https://access.redhat.com/errata/RHSA-2017:2392
https://access.redhat.com/errata/RHSA-2017:2408
http://www.securityfocus.com/bid/94759
https://security-tracker.debian.org/tracker/CVE-2016-9907
https://nvd.nist.gov/vuln/detail/CVE-2016-9907
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://www.mend.io/vulnerability-database/CVE-2016-9907

Severity Score

Weakness Type (CWE)

Missing Release of Resource after Effective Lifetime

CWE-772

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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