CVE-2018-7858
Published: 12 March 2018
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
artful |
Released
(1:2.10+dfsg-0ubuntu3.6)
|
bionic |
Released
(1:2.11+dfsg-1ubuntu7.1)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=7cdc61becd095b64a786b2625f321624e7111f3d |
||
qemu-kvm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |