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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: xorg-x11-server security update
Advisory ID:       RHSA-2018:3410-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3410
Issue date:        2018-10-30
CVE Names:         CVE-2018-14665
====================================================================
1. Summary:

An update for xorg-x11-server is now available for Red Hat Enterprise Linux
7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x

3. Description:

X.Org is an open-source implementation of the X Window System. It provides
the basic low-level functionality that full-fledged graphical user
interfaces are designed upon.

Security Fix(es):

* xorg-x11-server: Incorrect permission check in Xorg X server allows for
privilege escalation (CVE-2018-14665)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Narendra Shinde for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1637761 - CVE-2018-14665 xorg-x11-server: Incorrect permission check in Xorg X server allows for privilege escalation

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
xorg-x11-server-1.20.1-5.1.el7.src.rpm

x86_64:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
xorg-x11-server-source-1.20.1-5.1.el7.noarch.rpm

x86_64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
xorg-x11-server-1.20.1-5.1.el7.src.rpm

noarch:
xorg-x11-server-source-1.20.1-5.1.el7.noarch.rpm

x86_64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xephyr-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
xorg-x11-server-1.20.1-5.1.el7.src.rpm

ppc64:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64.rpm

ppc64le:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-common-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64le.rpm

s390x:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-common-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.s390x.rpm

x86_64:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
xorg-x11-server-1.20.1-5.1.el7.src.rpm

aarch64:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.aarch64.rpm

ppc64le:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-common-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64le.rpm

s390x:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-common-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
xorg-x11-server-source-1.20.1-5.1.el7.noarch.rpm

ppc64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.ppc.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.ppc64.rpm

ppc64le:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.ppc64le.rpm

s390x:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.s390x.rpm

x86_64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.aarch64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.aarch64.rpm

noarch:
xorg-x11-server-source-1.20.1-5.1.el7.noarch.rpm

ppc64le:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.ppc64le.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.ppc64le.rpm

s390x:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.s390x.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
xorg-x11-server-1.20.1-5.1.el7.src.rpm

x86_64:
xorg-x11-server-Xephyr-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xorg-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-common-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
xorg-x11-server-source-1.20.1-5.1.el7.noarch.rpm

x86_64:
xorg-x11-server-Xdmx-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xnest-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xvfb-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-Xwayland-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-debuginfo-1.20.1-5.1.el7.x86_64.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.i686.rpm
xorg-x11-server-devel-1.20.1-5.1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-14665
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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