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CVE-2021-4010

Published: 14 December 2021

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcScreenSaverSuspend function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
xorg-server
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (2:1.20.13-1ubuntu1~20.04.2)
hirsute
Released (2:1.20.11-1ubuntu1.2)
impish
Released (2:1.20.13-1ubuntu1.1)
jammy
Released (2:1.20.13-1ubuntu2)
trusty Not vulnerable
(code not present)
upstream
Released (21.1.2)
xenial Not vulnerable
(code not present)
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

xorg-server-hwe-18.04
Launchpad, Ubuntu, Debian
bionic
Released (2:1.20.8-2ubuntu2.2~18.04.6)
focal 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

xwayland
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute
Released (2:21.1.1-0ubuntu1.1)
impish
Released (2:21.1.2-0ubuntu1.1)
jammy
Released (2:21.1.3-1ubuntu1)
trusty Does not exist

upstream
Released (21.1.4)
xenial Does not exist

Notes

AuthorNote
mdeslaur
xorg server is actually the xorg-server package
the xorg package only contains docs
xwayland package contains parts of xorg-server
This is ZDI-CAN-14951
looks like this was introduced by:
https://gitlab.freedesktop.org/xorg/xserver/-/commit/52048ce29f872192478fece3887b7bc1c8aace7d

References

Bugs