Home / mailings [RHSA-2023:2249-01] Moderate: xorg-x11-server-Xwayland security update
Posted on 09 May 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: xorg-x11-server-Xwayland security update
Advisory ID: RHSA-2023:2249-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:2249
Issue date: 2023-05-09
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-Xwayland is now available for Red Hat
Enterprise Linux 9.
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. 9) - aarch64, ppc64le, s390x, x86_64
3. Description:
Xwayland is an X server for running X clients under Wayland.
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 9.2 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
6. Package List:
Red Hat Enterprise Linux AppStream (v. 9):
Source:
xorg-x11-server-Xwayland-21.1.3-7.el9.src.rpm
aarch64:
xorg-x11-server-Xwayland-21.1.3-7.el9.aarch64.rpm
xorg-x11-server-Xwayland-debuginfo-21.1.3-7.el9.aarch64.rpm
xorg-x11-server-Xwayland-debugsource-21.1.3-7.el9.aarch64.rpm
ppc64le:
xorg-x11-server-Xwayland-21.1.3-7.el9.ppc64le.rpm
xorg-x11-server-Xwayland-debuginfo-21.1.3-7.el9.ppc64le.rpm
xorg-x11-server-Xwayland-debugsource-21.1.3-7.el9.ppc64le.rpm
s390x:
xorg-x11-server-Xwayland-21.1.3-7.el9.s390x.rpm
xorg-x11-server-Xwayland-debuginfo-21.1.3-7.el9.s390x.rpm
xorg-x11-server-Xwayland-debugsource-21.1.3-7.el9.s390x.rpm
x86_64:
xorg-x11-server-Xwayland-21.1.3-7.el9.x86_64.rpm
xorg-x11-server-Xwayland-debuginfo-21.1.3-7.el9.x86_64.rpm
xorg-x11-server-Xwayland-debugsource-21.1.3-7.el9.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/9/html/9.2_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.
