CVE-2016-6351
medium
CVSS v3
6.7
CVSS v2
7.2
VIR risk
6.7
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.
Predictions
Exploit likelihood
66%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-6351
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-6351.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 16.04 | affected | |
| debian | bookworm | fixed | 1:2.6+dfsg-3.1 |
| debian | bullseye | fixed | 1:2.6+dfsg-3.1 |
| debian | forky | fixed | 1:2.6+dfsg-3.1 |
| debian | sid | fixed | 1:2.6+dfsg-3.1 |
| debian | trixie | fixed | 1:2.6+dfsg-3.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| qemu | qemu | {"endIncluding":"2.6.2"} | |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
- http://www.openwall.com/lists/oss-security/2016/07/25/14
- http://www.openwall.com/lists/oss-security/2016/07/26/7
- http://www.securityfocus.com/bid/92119
- http://www.ubuntu.com/usn/USN-3047-1
- http://www.ubuntu.com/usn/USN-3047-2
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://www.suse.com/security/cve/CVE-2016-6351.html
- https://security-tracker.debian.org/tracker/CVE-2016-6351
Verify integrity in audit chain (admin only). AS-IS.