Vulnerability Monitor

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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.

Published

2016-12-29T22:59:00.573

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.7.1	Yes
Application	qemu	qemu	2.8.0	Yes
Application	qemu	qemu	2.8.0	Yes
Application	qemu	qemu	2.8.0	Yes

References

http://www.openwall.com/lists/oss-security/2016/12/05/18 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/05/23 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94765 Third Party Advisory, VDB Entry ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201701-49 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/05/18 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/12/05/23 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94765 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201701-49 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)