CVE-2021-3472
Published: 13 April 2021
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Notes
| Author | Note |
|---|---|
| mdeslaur | xorg server is actually the xorg-server package the xorg package only contains docs |
| alexmurray | Also known as ZDI-CAN-12549 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xorg Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
| jammy |
Not vulnerable
(code not present)
|
|
| upstream |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| focal |
Not vulnerable
(code not present)
|
|
| groovy |
Not vulnerable
(code not present)
|
|
| hirsute |
Not vulnerable
(code not present)
|
|
|
xorg-hwe-16.04 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
|
xorg-hwe-18.04 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
|
xorg-server Launchpad, Ubuntu, Debian |
impish |
Released
(2:1.20.11-1ubuntu1)
|
| jammy |
Released
(2:1.20.11-1ubuntu1)
|
|
| upstream |
Needs triage
|
|
| bionic |
Released
(2:1.19.6-1ubuntu4.9)
|
|
| focal |
Released
(2:1.20.9-2ubuntu1.2~20.04.2)
|
|
| groovy |
Released
(2:1.20.9-2ubuntu1.3)
|
|
| xenial |
Released
(2:1.18.4-0ubuntu0.12)
|
|
| trusty |
Released
(2:1.15.1-0ubuntu2.11+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| hirsute |
Released
(2:1.20.11-1ubuntu1)
|
|
|
xorg-server-hwe-16.04 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| xenial |
Released
(2:1.19.6-1ubuntu4.1~16.04.6)
|
|
|
xorg-server-hwe-18.04 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| bionic |
Released
(2:1.20.8-2ubuntu2.2~18.04.5)
|
|
|
xorg-server-lts-utopic Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
|
xorg-server-lts-vivid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
xorg-server-lts-wily Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
|
xorg-server-lts-xenial Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
| jammy |
Does not exist
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
|
xwayland Launchpad, Ubuntu, Debian |
impish |
Released
(2:21.1.1-0ubuntu1)
|
| jammy |
Released
(2:21.1.1-0ubuntu1)
|
|
| upstream |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Released
(2:21.1.1-0ubuntu1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |