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CVE-2016-9916

Date: December 29, 2016

Memory leak in hw/9pfs/9p-proxy.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in the proxy backend.

Language: C

Severity Score

Related Resources (11)

https://security.gentoo.org/glsa/201701-49
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9916
https://security-tracker.debian.org/tracker/CVE-2016-9916
http://www.openwall.com/lists/oss-security/2016/12/08/7
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
http://www.securityfocus.com/bid/94729
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html
https://nvd.nist.gov/vuln/detail/CVE-2016-9916
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=898ae90a44551d25b8e956fd87372d303c82fe68
http://www.openwall.com/lists/oss-security/2016/12/06/11
https://www.mend.io/vulnerability-database/CVE-2016-9916

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Missing Release of Memory after Effective Lifetime

CWE-401

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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