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CVE-2016-9922

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Date: March 27, 2017

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

Language: C

Severity Score

Related Resources (13)

https://nvd.nist.gov/vuln/detail/CVE-2016-9922
http://www.openwall.com/lists/oss-security/2016/12/09/1
https://access.redhat.com/errata/RHSA-2017:2392
https://bugzilla.redhat.com/show_bug.cgi?id=1334398
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/security/cve/CVE-2016-9922
http://www.securityfocus.com/bid/94803
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://security-tracker.debian.org/tracker/CVE-2016-9922
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9922
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html
https://www.mend.io/vulnerability-database/CVE-2016-9922

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
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): PARTIAL
Additional information:

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