6.5
MEDIUM
CVE-2016-9846
QEMU Virtio GPU Device Memory Leaking DoS
Description

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.

INFO

Published Date :

Dec. 29, 2016, 10:59 p.m.

Last Modified :

Nov. 10, 2020, 6:54 p.m.

Remotely Exploitable :

No

Impact Score :

4.0

Exploitability Score :

2.0
Affected Products

The following products are affected by CVE-2016-9846 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qemu qemu
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-9846.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-9846 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-9846 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 10, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
    Changed Reference Type https://security.gentoo.org/glsa/201701-49 No Types Assigned https://security.gentoo.org/glsa/201701-49 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 2.7.1 *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:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-49 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jan. 03, 2017

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/94765 No Types Assigned http://www.securityfocus.com/bid/94765 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Dec. 31, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/94765 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 30, 2016

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/12/05/23 No Types Assigned http://www.openwall.com/lists/oss-security/2016/12/05/23 Third Party Advisory, Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/12/05/18 No Types Assigned http://www.openwall.com/lists/oss-security/2016/12/05/18 Third Party Advisory, Mailing List
    Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html No Types Assigned https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html Vendor Advisory, Patch
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.24592

percentile

CVSS31 - Vulnerability Scoring System
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