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 |