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CVE-2016-9846

Date: December 29, 2016

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.

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2016-9846
http://www.openwall.com/lists/oss-security/2016/12/05/23
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
https://security.gentoo.org/glsa/201701-49
http://www.securityfocus.com/bid/94765
http://www.openwall.com/lists/oss-security/2016/12/05/18
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9846
https://security-tracker.debian.org/tracker/CVE-2016-9846
https://www.mend.io/vulnerability-database/CVE-2016-9846

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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