CVE-2016-2858

MEDIUM

Qemu < 2.5.1.1 - Denial of Service

Title source: rule

Description

QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.

References (8)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/03/04/1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/03/07/4

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/84134

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2974-1

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1314676

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

[Third Party Advisory] https://security.gentoo.org/glsa/201604-01

Scores

CVSS v3 6.5

EPSS 0.0012

EPSS Percentile 31.6%

Attack Vector LOCAL

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

Classification

CWE

CWE-331

Status draft

Affected Products (6)

qemu/qemu < 2.5.1.1

canonical/ubuntu_linux

debian/debian_linux

Timeline

Published Apr 07, 2016

Tracked Since Feb 18, 2026