Medium severity · published Dec 29, 2016
CVE-2016-2198
QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
QE
Qemu · Qemu
through 2.5.1.1; 2.6.0; 2.6.0; 2.6.0; 2.6.0; 2.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2198
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2198
Mailing List
http://www.openwall.com/lists/oss-security/2016/01/29/6
Mailing List
http://www.openwall.com/lists/oss-security/2016/01/30/2
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1301643
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Patch
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.html
Third Party Advisory
https://security.gentoo.org/glsa/201604-01
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