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RedHat: RHSA-2020-4542 Moderate: Cryptsetup Out-Of-Bounds Write

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
A significant enhancement has been implemented for cryptsetup within Red Hat Enterprise Linux 8, targeting vulnerabilities and introducing necessary patches to bolster security.
An update for cryptsetup is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate security issue red hat bug fix disk encryption cryptsetup

References

https://access.redhat.com/security/cve/CVE-2020-14382 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: cryptsetup-debuginfo-2.3.3-2.el8.aarch64.rpm cryptsetup-debugsource-2.3.3-2.el8.aarch64.rpm cryptsetup-devel-2.3.3-2.el8.aarch64.rpm cryptsetup-libs-debuginfo-2.3.3-2.el8.aarch64.rpm cryptsetup-reencrypt-debuginfo-2.3.3-2.el8.aarch64.rpm integritysetup-debuginfo-2.3.3-2.el8.aarch64.rpm veritysetup-debuginfo-2.3.3-2.el8.aarch64.rpm
ppc64le: cryptsetup-debuginfo-2.3.3-2.el8.ppc64le.rpm cryptsetup-debugsource-2.3.3-2.el8.ppc64le.rpm cryptsetup-devel-2.3.3-2.el8.ppc64le.rpm cryptsetup-libs-debuginfo-2.3.3-2.el8.ppc64le.rpm cryptsetup-reencrypt-debuginfo-2.3.3-2.el8.ppc64le.rpm integritysetup-debuginfo-2.3.3-2.el8.ppc64le.rpm veritysetup-debuginfo-2.3.3-2.el8.ppc64le.rpm
s390x: cryptsetup-debuginfo-2.3.3-2.el8.s390x.rpm cryptsetup-debugsource-2.3.3-2.el8.s390x.rpm cryptsetup-devel-2.3.3-2.el8.s390x.rpm cryptsetup-libs-debuginfo-2.3.3-2.el8.s390x.rpm cryptsetup-reencrypt-debuginfo-2.3.3-2.el8.s390x.rpm integritysetup-debuginfo-2.3.3-2.el8.s390x.rpm veritysetup-debuginfo-2.3.3-2.el8.s390x.rpm
x86_64: cryptsetup-debuginfo-2.3.3-2.el8.i686.rpm cryptsetup-debuginfo-2.3.3-2.el8.x86_64.rpm cryptsetup-debugsource-2.3.3-2.el8.i686.rpm cryptsetup-debugsource-2.3.3-2.el8.x86_64.rpm cryptsetup-devel-2.3.3-2.el8.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4542-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4542
Issue date: 2020-11-03

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue red hat bug fix disk encryption cryptsetup

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1743891 - Attempting to use cryptsetup-reencrypt on new "cryptsetup reencrypt" formated luks device fails due to "Online reencryption in progress. Aborting."

1785748 - Expose crypt_safe_free in libcryptsetup public API

1796826 - Rebase cryptsetup to 2.3.0

1874712 - CVE-2020-14382 cryptsetup: Out-of-bounds write when validating segments

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