Synopsis

Moderate: cryptsetup security, bug fix, and enhancement update

Type/Severity

Security Advisory: Moderate

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.

The following packages have been upgraded to a later upstream version: cryptsetup (2.3.3). (BZ#1796826)

Security Fix(es):

• cryptsetup: Out-of-bounds write when validating segments (CVE-2020-14382)

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 8.3 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 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 - 1743891 - Attempting to use cryptsetup-reencrypt on new "cryptsetup reencrypt" formated luks device fails due to "Online reencryption in progress. Aborting."
• BZ - 1785748 - Expose crypt_safe_free in libcryptsetup public API
• BZ - 1796826 - Rebase cryptsetup to 2.3.0
• BZ - 1874712 - CVE-2020-14382 cryptsetup: Out-of-bounds write when validating segments

CVEs

• CVE-2020-14382

References