CVE-2016-9846
Published: 29 December 2016
QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needed
|
|
| xenial |
Released
(1:2.5+dfsg-5ubuntu10.11)
|
|
| yakkety |
Released
(1:2.6.1+dfsg-0ubuntu5.4)
|
|
| zesty |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
|
Patches: upstream: http://git.qemu-project.org/?p=qemu.git;a=commit;h=2d1cd6c7a91a4beb99a0c3a21be529222a708545 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
| trusty |
Does not exist
|
|
| upstream |
Needed
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |