CVE-2016-6836

MEDIUM

QEMU - Info Disclosure

Title source: llm

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)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fdda170e50b8af062cf5741e12c4fb5e57a2eacf

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/08/11/5

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/08/18/5

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/92444

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg02108.html

[Third Party Advisory] https://security.gentoo.org/glsa/201609-01

Scores

CVSS v3 6.0

EPSS 0.0008

EPSS Percentile 22.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Classification

CWE

CWE-665

Status published

Affected Products (3)

qemu/qemu < 2.7.1

debian/debian_linux

n/a/n/a

Timeline

Published Dec 10, 2016

Tracked Since Feb 18, 2026