CVE-2016-7909

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

CVSS v3.0 4.4 MEDIUM
CVSS v2.0 4.9 MEDIUM

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

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/10/03/6	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html	Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/3	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93275	Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201611-11	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Information

Published : 2016-10-05 09:59

Updated : 2020-11-10 10:54

NVD link : CVE-2016-7909

Mitre link : CVE-2016-7909

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

debian

debian_linux

qemu

qemu

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