CVE - CVE-2016-7908

CVE-ID
CVE-2016-7908	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20161003 CVE request Qemu: net: Infinite loop in mcf_fec_do_tx URL:http://www.openwall.com/lists/oss-security/2016/10/03/2 MLIST:[oss-security] 20161003 Re: CVE request Qemu: net: Infinite loop in mcf_fec_do_tx URL:http://www.openwall.com/lists/oss-security/2016/10/03/5 MLIST:[qemu-devel] 20160922 [PATCH v2] net: mcf: limit buffer descriptor count URL:https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05557.html CONFIRM:http://git.qemu.org/?p=qemu.git;a=commit;h=070c4b92b8cd5390889716677a0b92444d6e087a GENTOO:GLSA-201611-11 URL:https://security.gentoo.org/glsa/201611-11 SUSE:openSUSE-SU-2016:3237 URL:http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html BID:93273 URL:http://www.securityfocus.com/bid/93273
Assigning CNA
N/A
Date Entry Created
20160909	Disclaimer: The entry creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160909)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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