Medium severity · published Dec 10, 2016
CVE-2016-7995
Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory…
6.0
CVSS
0.4%
EPSS
No
On KEV
Description
Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
42.2 · source: NVD
QE
Qemu · Qemu
through 2.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7995
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7995
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b16c129daf0fed91febbb88de23dae8271c8898a
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/07/3
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/08/4
Third Party Advisory
http://www.securityfocus.com/bid/93454
Patch
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
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