Moderate: cryptsetup security update

Related Vulnerabilities: CVE-2021-4122  

Synopsis

Moderate: cryptsetup security update

Type/Severity

Security Advisory: Moderate

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Topic

An update for cryptsetup 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

The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module.

Security Fix(es):

  • cryptsetup: disable encryption via header rewrite (CVE-2021-4122)

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 - 2032401 - CVE-2021-4122 cryptsetup: disable encryption via header rewrite