CVE-2016-9381
Published: 23 January 2017
Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.
Notes
| Author | Note |
|---|---|
| mdeslaur | This is XSA-197 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
| bionic |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| cosmic |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| disco |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| eoan |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| focal |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| groovy |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| hirsute |
Not vulnerable
(1:2.8+dfsg-3ubuntu2)
|
|
| precise |
Does not exist
|
|
| trusty |
Released
(2.0.0+dfsg-2ubuntu1.33)
|
|
| 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=b85f9dfdb156ae2a2a52f39a36e9f1f270614cd2 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| precise |
Ignored
(reached end-of-life)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needed
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
xen Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
| bionic |
Not vulnerable
|
|
| cosmic |
Not vulnerable
|
|
| disco |
Not vulnerable
|
|
| eoan |
Not vulnerable
|
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| precise |
Released
(4.1.6.1-0ubuntu0.12.04.13)
|
|
| trusty |
Released
(4.4.2-0ubuntu0.14.04.9)
|
|
| upstream |
Needed
|
|
| xenial |
Not vulnerable
|
|
| yakkety |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | High |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |