CVE-2016-9922

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

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
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334398	Issue Tracking Patch
http://www.securityfocus.com/bid/94803	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/12/09/1	Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2392	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:2.8.0:rc0::::::
	cpe:2.3:a:qemu:qemu:2.8.0:rc1::::::
	cpe:2.3:a:qemu:qemu:2.8.0:rc2::::::

Information

Published : 2017-03-27 08:59

Updated : 2023-02-12 20:50

NVD link : CVE-2016-9922

Mitre link : CVE-2016-9922

JSON object : View

CWE

CWE-369

Divide By Zero

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Products Affected

qemu

qemu

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