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CVE-2016-9913 Detail

Description

Memory leak in the v9fs_device_unrealize_common function in hw/9pfs/9p.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) via vectors involving the order of resource cleanup.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4774718e5c194026ba5ee7a28d9be49be3080e42
http://www.openwall.com/lists/oss-security/2016/12/06/11 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/12/08/7 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/94729 Third Party Advisory  VDB Entry 
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html Patch  Vendor Advisory 
https://security.gentoo.org/glsa/201701-49 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9913
NVD Published Date:
12/29/2016
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.