CVE-2015-8744

MEDIUM

QEMU < 2.4.1 - Denial of Service via VMXNET3 Layer-2 Packet Handling

Title source: llm
STIX 2.1

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)

Core 8
Core References
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1270871
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/79821
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/01/04/3
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/01/04/6
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3471
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034576
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201602-01

Scores

CVSS v3 5.5
EPSS 0.0007
EPSS Percentile 20.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (2)
debian/debian_linux 8.0
qemu/qemu < 2.4.1
Published Dec 29, 2016
Tracked Since Feb 18, 2026