==========================================================================
Ubuntu Security Notice USN-6721-2
April 09, 2024<\/p>\n
xorg-server, xwayland regression
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 23.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS (Available with Ubuntu Pro)
– Ubuntu 16.04 LTS (Available with Ubuntu Pro)
– Ubuntu 14.04 LTS (Available with Ubuntu Pro)<\/p>\n
Summary:<\/p>\n
A regression was fixed in X.Org X Server.<\/p>\n
Software Description:
– xorg-server: X.Org X11 server
– xwayland: X server for running X clients under Wayland<\/p>\n
Details:<\/p>\n
USN-6721-1 fixed vulnerabilities in X.Org X Server. That fix was incomplete
resulting in a regression. This update fixes the problem.<\/p>\n
We apologize for the inconvenience.<\/p>\n
Original advisory details:<\/p>\n
It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)<\/p>\n
It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 23.10:
xserver-xorg-core 2:21.1.7-3ubuntu2.9
xwayland 2:23.2.0-1ubuntu0.6<\/p>\n
Ubuntu 22.04 LTS:
xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.10
xwayland 2:22.1.1-1ubuntu0.13<\/p>\n
Ubuntu 20.04 LTS:
xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.17
xwayland 2:1.20.13-1ubuntu1~20.04.17<\/p>\n
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.19.6-1ubuntu4.15+esm8
xwayland 2:1.19.6-1ubuntu4.15+esm8<\/p>\n
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.18.4-0ubuntu0.12+esm13
xwayland 2:1.18.4-0ubuntu0.12+esm13<\/p>\n
Ubuntu 14.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.15.1-0ubuntu2.11+esm12<\/p>\n
After a standard system update you need to restart -APP- to make
all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6721-2
https:\/\/ubuntu.com\/security\/notices\/USN-6721-1
https:\/\/launchpad.net\/bugs\/2060354<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/xorg-server\/2:21.1.7-3ubuntu2.9
https:\/\/launchpad.net\/ubuntu\/+source\/xwayland\/2:23.2.0-1ubuntu0.6
https:\/\/launchpad.net\/ubuntu\/+source\/xorg-server\/2:21.1.4-2ubuntu1.7~22.04.10
https:\/\/launchpad.net\/ubuntu\/+source\/xwayland\/2:22.1.1-1ubuntu0.13
https:\/\/launchpad.net\/ubuntu\/+source\/xorg-server\/2:1.20.13-1ubuntu1~20.04.17<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6721-2April 09, 2024 xorg-server, xwayland regression========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 23.10– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS– Ubuntu 18.04 LTS (Available with Ubuntu Pro)– Ubuntu 16.04 LTS (Available with Ubuntu Pro)– Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: A regression was fixed …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-56197","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=56197"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56197\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=56197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=56197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=56197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}