CVE-2016-6351
Published: 27 July 2016
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.
Notes
Author | Note |
---|---|
mdeslaur | qemu-kvm in precise doesn't build esp.c on Ubuntu |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.26)
|
|
upstream |
Needs triage
|
|
wily |
Ignored
(end of life)
|
|
xenial |
Released
(1:2.5+dfsg-5ubuntu10.3)
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=cc96677469388bad3d66479379735cf75db069e3 |
||
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
wily |
Does not exist
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.7 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |