CVE-2016-6836

MEDIUM

QEMU < 2.7.1 - Information Disclosure via Uninitialized txcq_descr Object

Title source: llm
STIX 2.1

Description

The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92444
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/11/5
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/08/18/5
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201609-01
Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg02108.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

Scores

CVSS v3 6.0
EPSS 0.0008
EPSS Percentile 22.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Details

CWE
CWE-665
Status published
Products (2)
debian/debian_linux 8.0
qemu/qemu < 2.7.1
Published Dec 10, 2016
Tracked Since Feb 18, 2026