CVE-2016-6490

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.

CVSS v3.0 4.4 MEDIUM
CVSS v2.0 2.1 LOW

4.4^/10

CVSS v3.0 : 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://www.openwall.com/lists/oss-security/2016/07/28/9	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/28/4	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg06246.html	Patch Third Party Advisory
https://security.gentoo.org/glsa/201609-01	Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1e7aed70144b4673fc26e73062064b6724795e5f

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Configurations

Configuration 1 (hide)

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

Information

Published : 2016-12-09 16:59

Updated : 2023-02-12 20:50

NVD link : CVE-2016-6490

Mitre link : CVE-2016-6490

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

qemu

qemu

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