CVE-2016-6833

Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.

CVSS v3 4.4 MEDIUM
CVSS v2.0 2.1 LOW

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8
http://www.openwall.com/lists/oss-security/2016/08/12/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/3	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93255	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html	Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201609-01	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:2.7.0:rc0::::::
	cpe:2.3:a:qemu:qemu:2.7.0:rc1::::::
	cpe:2.3:a:qemu:qemu:2.7.0:rc2::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2016-12-10 00:59

Updated : 2024-02-04 19:11

NVD link : CVE-2016-6833

Mitre link : CVE-2016-6833

CVE.ORG link : CVE-2016-6833

JSON object : View

Products Affected

debian

debian_linux

qemu

qemu

CWE

CWE-416

Use After Free

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