CVE-2015-8744

MEDIUM

Qemu < 2.4.1 - Improper Input Validation

Title source: rule

Description

QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It occurs when a guest sends a Layer-2 packet smaller than 22 bytes. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.

References (8)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=a7278b36fcab9af469563bd7b

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3471

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/01/04/3

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/01/04/6

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/79821

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1034576

[Issue Tracking, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1270871

[Third Party Advisory] https://security.gentoo.org/glsa/201602-01

Scores

CVSS v3 5.5

EPSS 0.0007

EPSS Percentile 20.6%

Attack Vector LOCAL

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

Classification

CWE

CWE-20

Status published

Affected Products (3)

qemu/qemu < 2.4.1

debian/debian_linux

n/a/n/a

Timeline

Published Dec 29, 2016

Tracked Since Feb 18, 2026