Vulnerability Monitor

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CVE-2016-2198

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

Published

2016-12-29T22:59:00.480

Last Modified

2025-04-12T10:46:40.837

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-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.5.1.1	Yes
Application	qemu	qemu	2.6.0	Yes
Application	qemu	qemu	2.6.0	Yes
Application	qemu	qemu	2.6.0	Yes
Application	qemu	qemu	2.6.0	Yes
Application	qemu	qemu	2.6.0	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://www.openwall.com/lists/oss-security/2016/01/29/6 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/01/30/2 Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1301643 Issue Tracking, Third Party Advisory ([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/2016-01/msg05899.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201604-01 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/01/29/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/01/30/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1301643 Issue Tracking, Third Party Advisory (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/2016-01/msg05899.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)