Vulnerability CVE-2017-6386
Published: 2017-03-15

Description:
Memory leak in the vrend_create_vertex_elements_state function in vrend_renderer.c in virglrenderer allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRGL_OBJECT_VERTEX_ELEMENTS commands.

Type:

CWE-772

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Virglrenderer project -> Virglrenderer 

 References:
http://www.openwall.com/lists/oss-security/2017/03/01/7
http://www.securityfocus.com/bid/96506
https://bugzilla.redhat.com/show_bug.cgi?id=1427472
https://cgit.freedesktop.org/virglrenderer/commit/?id=737c3350850ca4dbc5633b3bdb4118176ce59920
https://security.gentoo.org/glsa/201707-06
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