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Red Hat Enterprise Linux 8.4 RHSA-2023:4332-01 Important Cache Issue Fix

red hat
Calendar Grey July 31, 2023
Dist Redhat Esm H88
A crucial enhancement for bind within Red Hat Enterprise Linux tackles vulnerabilities and concerns, including limitations on cache size.
An update for bind is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and R...

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

After installing the update, the BIND daemon (named) will be restarted automatically.

Summary

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: named's configured cache size limit can be significantly exceeded (CVE-2023-2828)
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.

Topics%20covered

Topics Covered

security advisory Red Hat update bind important DNS cache issue

References

https://access.redhat.com/security/cve/CVE-2023-2828 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream AUS (v.8.4):
noarch: bind-license-9.11.26-4.el8_4.2.noarch.rpm python3-bind-9.11.26-4.el8_4.2.noarch.rpm
x86_64: bind-9.11.26-4.el8_4.2.x86_64.rpm bind-chroot-9.11.26-4.el8_4.2.x86_64.rpm bind-debuginfo-9.11.26-4.el8_4.2.i686.rpm bind-debuginfo-9.11.26-4.el8_4.2.x86_64.rpm bind-debugsource-9.11.26-4.el8_4.2.i686.rpm bind-debugsource-9.11.26-4.el8_4.2.x86_64.rpm bind-devel-9.11.26-4.el8_4.2.i686.rpm bind-devel-9.11.26-4.el8_4.2.x86_64.rpm bind-export-libs-debuginfo-9.11.26-4.el8_4.2.i686.rpm bind-export-libs-debuginfo-9.11.26-4.el8_4.2.x86_64.rpm bind-libs-9.11.26-4.el8_4.2.i686.rpm bind-libs-9.11.26-4.el8_4.2.x86_64.rpm bind-libs-debuginfo-9.11.26-4.el8_4.2.i686.rpm bind-libs-debuginfo-9.11.26-4.el8_4.2.x86_64.rpm bind-libs-lite-9.11.26-4.el8_4.2.i686.rpm bind-libs-lite-9.11.26-4.el8_4.2.x86_64.rpm bind-libs-lite-debuginfo-9.11.26-4.el8_4.2.i686.rpm bind-libs-lite-debuginfo-9.11.26-4.el8_4.2.x86_64.rpm bind-lite-devel-9.11.26-4.el8_4.2.i686.rpm bind-lite-devel-9.11.26-4.el8_4.2.x86_64.rpm bind-pkcs11-9.11.26-4.el8_4.2.x86_64.rpm bind-pkcs11-debuginfo-9.11.26-4.el8_4.2.i686.rpm bind-pkcs11-debuginfo-9.11.26-4.el8_4.2.x86_64.rpm bind-pkcs11-devel-9.11.26-4.el8_4.2.i686.rpm bind-pkcs11-devel-9.11.26-4.el8_4.2.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4332-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4332
Issue date: 2023-07-31

Topic

An update for bind is now available for Red Hat Enterprise Linux 8.4Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 UpdateServices for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update bind important DNS cache issue

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream AUS (v.8.4) - noarch, x86_64

Red Hat Enterprise Linux AppStream E4S (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream TUS (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS AUS (v.8.4) - x86_64

Red Hat Enterprise Linux BaseOS E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS TUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2216227 - CVE-2023-2828 bind: named's configured cache size limit can be significantly exceeded

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