RHSA-2024:3343 - Security Advisory

Topic

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

Red Hat Product Security has rated this update as having a security impact of Important. 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.

Description

Xwayland is an X server for running X clients under Wayland.

Security Fix(es):

• xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents (CVE-2024-31080)
• xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice (CVE-2024-31081)
• xorg-x11-server: Use-after-free in ProcRenderAddGlyphs (CVE-2024-31083)

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.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2271997 - CVE-2024-31080 xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents
• BZ - 2271998 - CVE-2024-31081 xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice
• BZ - 2272000 - CVE-2024-31083 xorg-x11-server: Use-after-free in ProcRenderAddGlyphs

CVEs

• CVE-2024-31080
• CVE-2024-31081
• CVE-2024-31083

References

• https://access.redhat.com/security/updates/classification/#important