Moderate: cloud-init security, bug fix, and enhancement update

Related Vulnerabilities: CVE-2023-1786  

Synopsis

Moderate: cloud-init security, bug fix, and enhancement update

Type/Severity

Security Advisory: Moderate

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Topic

An update for cloud-init is now available for Red Hat Enterprise Linux 9.

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

The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.

Security Fix(es):

  • cloud-init: sensitive data could be exposed in logs (CVE-2023-1786)

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 9.3 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 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

Fixes

  • BZ - 2179017 - cloud-init: backport fix for instance id detection on Azure to RHEL9 [rhel-9.3]
  • BZ - 2182948 - Request to backport "Don't change permissions of netrules target (#2076)" on RHEL9
  • BZ - 2188388 - [rhel-9] [RFE] Configure "ipv6.addr-gen-mode=eui64' as default in NetworkManager
  • BZ - 2190079 - CVE-2023-1786 cloud-init: sensitive data could be exposed in logs