Vulnerability Monitor

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CVE-2016-9922

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.

Published

2017-03-27T15:59:00.327

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-369

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://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/09/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94803 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:2392 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:2408 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1334398 Issue Tracking, Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html Patch, Vendor Advisory ([email protected])
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/12/09/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94803 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2392 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2408 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1334398 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)