Skip to content
OpenAdvisories
Medium ALSA-2023:2249 9 CVEs

Moderate: xorg-x11-server-Xwayland security update

Published May 9, 2023 · Updated Oct 29, 2026

Summary

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 9 xorg-x11-server-Xwayland 21.1.3-7.el9

Vulnerabilities 9

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-3550
  • report
    https://access.redhat.com/security/cve/CVE-2022-3551
  • report
    https://access.redhat.com/security/cve/CVE-2022-4283
  • report
    https://access.redhat.com/security/cve/CVE-2022-46340
  • report
    https://access.redhat.com/security/cve/CVE-2022-46341
  • report
    https://access.redhat.com/security/cve/CVE-2022-46342
  • report
    https://access.redhat.com/security/cve/CVE-2022-46343
  • report
    https://access.redhat.com/security/cve/CVE-2022-46344
  • report
    https://access.redhat.com/security/cve/CVE-2023-0494
  • report
    https://bugzilla.redhat.com/2140698
  • report
    https://bugzilla.redhat.com/2140701
  • report
    https://bugzilla.redhat.com/2151755
  • report
    https://bugzilla.redhat.com/2151756
  • report
    https://bugzilla.redhat.com/2151757
  • report
    https://bugzilla.redhat.com/2151758
  • report
    https://bugzilla.redhat.com/2151760
  • report
    https://bugzilla.redhat.com/2151761
  • report
    https://bugzilla.redhat.com/2165995
  • advisory
    https://errata.almalinux.org/9/ALSA-2023-2249.html