Important: tigervnc security update

Related Vulnerabilities: CVE-2023-0494  

概要

Important: tigervnc security update

タイプ/重大度

Security Advisory: Important

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トピック

An update for tigervnc is now available for Red Hat Enterprise Linux 9.

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.

説明

Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.

Security Fix(es):

  • xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494)

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.

解決法

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

影響を受ける製品

  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64

修正

  • BZ - 2165995 - CVE-2023-0494 xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation