Amazon Linux 2 Security Advisory: ALAS-2021-1633
Advisory Release Date: 2021-04-27 19:20 Pacific
Advisory Updated Date: 2021-05-03 17:31 Pacific
Severity:
Important
Issue Overview:
A flaw was found in xorg-x11-server. An interger 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. (CVE-2021-3472)
Affected Packages:
xorg-x11-server
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update xorg-x11-server to update your system.
New Packages:
aarch64:
xorg-x11-server-common-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xorg-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xnest-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xdmx-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xvfb-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xephyr-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-Xwayland-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-devel-1.20.4-15.amzn2.0.2.aarch64
xorg-x11-server-debuginfo-1.20.4-15.amzn2.0.2.aarch64
i686:
xorg-x11-server-common-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xorg-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xnest-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xdmx-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xvfb-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xephyr-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-Xwayland-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-devel-1.20.4-15.amzn2.0.2.i686
xorg-x11-server-debuginfo-1.20.4-15.amzn2.0.2.i686
noarch:
xorg-x11-server-source-1.20.4-15.amzn2.0.2.noarch
src:
xorg-x11-server-1.20.4-15.amzn2.0.2.src
x86_64:
xorg-x11-server-common-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xorg-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xnest-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xdmx-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xvfb-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xephyr-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-Xwayland-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-devel-1.20.4-15.amzn2.0.2.x86_64
xorg-x11-server-debuginfo-1.20.4-15.amzn2.0.2.x86_64