CVE-2016-6490
Published: 10 December 2016
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.
Notes
Author | Note |
---|---|
mdeslaur | introduced in 2.6.0 |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
wily |
Ignored
(end of life)
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=1e7aed70144b4673fc26e73062064b6724795e5f |
||
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
wily |
Does not exist
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.4 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |