Medium severity · published Sep 7, 2016
CVE-2016-6351
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a…
6.7
CVSS
0.5%
EPSS
No
On KEV
Description
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% 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 2.6.2 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6351
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6351
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
Mailing List
http://www.openwall.com/lists/oss-security/2016/07/25/14
Mailing List
http://www.openwall.com/lists/oss-security/2016/07/26/7
Third Party Advisory
http://www.securityfocus.com/bid/92119
Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-1
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