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Red Hat Enterprise Linux 8 RHSA-2023:2786-01 Moderate Wayland Bug Fix

red hat
Calendar Grey May 16, 2023
Dist Redhat Esm H88
Significant security patch for Wayland on RHEL 8, resolving bugs and enhancing security measures efficiently.
An update for wayland is now available for Red Hat Enterprise Linux 8

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

Summary

Wayland is a protocol for a compositor to talk to its clients, as well as a C library implementation of that protocol. The compositor can be a standalone display server running on Linux kernel modesetting and evdev input devices, an X application, or a wayland client itself. The clients can be traditional applications, X servers (rootless or fullscreen) or other display servers.
The following packages have been upgraded to a later upstream version: wayland (1.21.0). (BZ#2137625)
Security Fix(es):
* wayland: libwayland-server wl_shm reference-count overflow (CVE-2021-3782)
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.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux security impact CVE wayland

References

https://access.redhat.com/security/cve/CVE-2021-3782 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.8_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: wayland-1.21.0-1.el8.src.rpm
aarch64: libwayland-client-1.21.0-1.el8.aarch64.rpm libwayland-client-debuginfo-1.21.0-1.el8.aarch64.rpm libwayland-cursor-1.21.0-1.el8.aarch64.rpm libwayland-cursor-debuginfo-1.21.0-1.el8.aarch64.rpm libwayland-egl-1.21.0-1.el8.aarch64.rpm libwayland-egl-debuginfo-1.21.0-1.el8.aarch64.rpm libwayland-server-1.21.0-1.el8.aarch64.rpm libwayland-server-debuginfo-1.21.0-1.el8.aarch64.rpm wayland-debuginfo-1.21.0-1.el8.aarch64.rpm wayland-debugsource-1.21.0-1.el8.aarch64.rpm wayland-devel-1.21.0-1.el8.aarch64.rpm wayland-devel-debuginfo-1.21.0-1.el8.aarch64.rpm
ppc64le: libwayland-client-1.21.0-1.el8.ppc64le.rpm libwayland-client-debuginfo-1.21.0-1.el8.ppc64le.rpm libwayland-cursor-1.21.0-1.el8.ppc64le.rpm libwayland-cursor-debuginfo-1.21.0-1.el8.ppc64le.rpm libwayland-egl-1.21.0-1.el8.ppc64le.rpm libwayland-egl-debuginfo-1.21.0-1.el8.ppc64le.rpm libwayland-server-1.21.0-1.el8.ppc64le.rpm libwayland-server-debuginfo-1.21.0-1.el8.ppc64le.rpm wayland-debuginfo-1.21.0-1.el8.ppc64le.rpm wayland-debugsource-1.21.0-1.el8.ppc64le.rpm wayland-devel-1.21.0-1.el8.ppc64le.rpm wayland-devel-debuginfo-1.21.0-1.el8.ppc64le.rpm
s390x: libwayland-client-1.21.0-1.el8.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:2786-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:2786
Issue date: 2023-05-16

Topic

An update for wayland is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux security impact CVE wayland

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2002627 - CVE-2021-3782 wayland: libwayland-server wl_shm reference-count overflow

2137625 - Rebase wayland to 1.21 in el8

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