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Red Hat Security Advisory 2023-2806-01

Red Hat Security Advisory 2023-2806-01
Posted May 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2806-01 - 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. Issues addressed include buffer overflow, memory leak, out of bounds access, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2022-3550, CVE-2022-3551, CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344, CVE-2023-0494
SHA-256 | e752c2a311b2b44ab5935acc2634c63609cfd392ca83f3e927e1ef1634e86f7b
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Red Hat Security Advisory 2023-2806-01

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Hash: SHA256

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

Synopsis:          Moderate: xorg-x11-server security and bug fix update
Advisory ID:       RHSA-2023:2806-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:2806
Issue date:        2023-05-16
CVE Names:         CVE-2022-3550 CVE-2022-3551 CVE-2022-4283
                   CVE-2022-46340 CVE-2022-46341 CVE-2022-46342
                   CVE-2022-46343 CVE-2022-46344 CVE-2023-0494
====================================================================
1. Summary:

An update for xorg-x11-server is now available for Red Hat Enterprise Linux
8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

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: buffer overflow in _GetCountedString() in xkb/xkb.c
(CVE-2022-3550)

* xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283)

* xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)

* xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)

* xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)

* xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)

* xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)

* xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege
elevation (CVE-2023-0494)

* xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c
(CVE-2022-3551)

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

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.8 Release Notes linked from the References section.

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/):

2140698 - CVE-2022-3550 xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c
2140701 - CVE-2022-3551 xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c
2151755 - CVE-2022-46340 xorg-x11-server: XTestSwapFakeInput stack overflow
2151756 - CVE-2022-46341 xorg-x11-server: XIPassiveUngrab out-of-bounds access
2151757 - CVE-2022-46342 xorg-x11-server: XvdiSelectVideoNotify use-after-free
2151758 - CVE-2022-46343 xorg-x11-server: ScreenSaverSetAttributes use-after-free
2151760 - CVE-2022-46344 xorg-x11-server: XIChangeProperty out-of-bounds access
2151761 - CVE-2022-4283 xorg-x11-server: XkbGetKbdByName use-after-free
2165995 - CVE-2023-0494 xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
2169522 - xvfb-run "-l" or "--listen-tcp" option does not work

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
xorg-x11-server-1.20.11-15.el8.src.rpm

aarch64:
xorg-x11-server-Xdmx-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xephyr-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xnest-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xorg-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xvfb-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-common-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.aarch64.rpm

ppc64le:
xorg-x11-server-Xdmx-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xephyr-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xnest-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xorg-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xvfb-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-common-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.ppc64le.rpm

s390x:
xorg-x11-server-Xdmx-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xephyr-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xnest-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xorg-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xvfb-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-common-1.20.11-15.el8.s390x.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.s390x.rpm

x86_64:
xorg-x11-server-Xdmx-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xephyr-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xnest-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xorg-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xvfb-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-common-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 8):

aarch64:
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.aarch64.rpm
xorg-x11-server-devel-1.20.11-15.el8.aarch64.rpm

noarch:
xorg-x11-server-source-1.20.11-15.el8.noarch.rpm

ppc64le:
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.ppc64le.rpm
xorg-x11-server-devel-1.20.11-15.el8.ppc64le.rpm

s390x:
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.s390x.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.s390x.rpm
xorg-x11-server-devel-1.20.11-15.el8.s390x.rpm

x86_64:
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-Xdmx-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-Xephyr-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-Xnest-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-Xorg-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-Xvfb-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.i686.rpm
xorg-x11-server-debuginfo-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.i686.rpm
xorg-x11-server-debugsource-1.20.11-15.el8.x86_64.rpm
xorg-x11-server-devel-1.20.11-15.el8.i686.rpm
xorg-x11-server-devel-1.20.11-15.el8.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-2022-3550
https://access.redhat.com/security/cve/CVE-2022-3551
https://access.redhat.com/security/cve/CVE-2022-4283
https://access.redhat.com/security/cve/CVE-2022-46340
https://access.redhat.com/security/cve/CVE-2022-46341
https://access.redhat.com/security/cve/CVE-2022-46342
https://access.redhat.com/security/cve/CVE-2022-46343
https://access.redhat.com/security/cve/CVE-2022-46344
https://access.redhat.com/security/cve/CVE-2023-0494
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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