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CVE-2016-7908 Detail

Description

The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=070c4b92b8cd5390889716677a0b92444d6e087a
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/10/03/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/10/03/5 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/93273 Third Party Advisory  VDB Entry 
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Third Party Advisory 
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05557.html Mailing List  Patch  Vendor Advisory 
https://security.gentoo.org/glsa/201611-11 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7908
NVD Published Date:
10/05/2016
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.