Medium severity · published Dec 23, 2016
CVE-2016-9907
Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% 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
OP
Openstack · Redhat
6.0; 7.0; 8; 9; 10; 11 · source: NVD
QE
Qemu · Qemu
through 2.7.1 · source: NVD
VI
Virtualization · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9907
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9907
Mailing List
http://www.openwall.com/lists/oss-security/2016/12/08/3
Third Party Advisory
http://www.securityfocus.com/bid/94759
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2392
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408
Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Third Party Advisory
https://security.gentoo.org/glsa/201701-49
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