CVE-2016-9846

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

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
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html	Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/23	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/18	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94765	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201701-49	Third Party Advisory

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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 : 2016-12-29 14:59

Updated : 2020-11-10 10:54

NVD link : CVE-2016-9846

Mitre link : CVE-2016-9846

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

qemu

qemu

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