Moderate: wayland security, bug fix, and enhancement update

2023-05-1600:00:00

Google

osv.dev

wayland

protocol

c library

security fix

update

bug fix

enhancement

upstream version

cve-2021-3782

6.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

0.0004 Low

EPSS

Percentile

12.8%

JSON

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 AlmaLinux Release Notes linked from the References section.