RHSA-2022:7583 - Security Advisory

Topic

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

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.

Description

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

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

Security Fix(es):

• xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access (CVE-2022-2319)
• xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request handler of the Xkb extension (CVE-2022-2320)

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 8.7 Release Notes linked from 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
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

• BZ - 2075132 - "Xorg -listen tcp" fails to start if ipv6 is disabled on the system
• BZ - 2106671 - CVE-2022-2319 xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access
• BZ - 2106683 - CVE-2022-2320 xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request handler of the Xkb extension

CVEs

• CVE-2022-2319
• CVE-2022-2320

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.7_release_notes/index