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Red Hat Enterprise Linux 9 RHSA-2022-6763-01 Critical BIND Fixes

red hat
Calendar Grey October 3, 2022
Dist Redhat Esm H88
The latest security revision for Red Hat Enterprise Linux 9 tackles critical vulnerabilities while improving overall system reliability and efficiency.
An update for bind is now available for Red Hat Enterprise Linux 9

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: BIND 9 resolvers configured to answer from cache with zero stale-answer-timeout may terminate unexpectedly (CVE-2022-3080)
* bind: memory leak in ECDSA DNSSEC verification code (CVE-2022-38177)
* bind: memory leaks in EdDSA DNSSEC verification code (CVE-2022-38178)
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 bind DoS security fix Red Hat Enterprise Linux important memory leak

References

https://access.redhat.com/security/cve/CVE-2022-3080 https://access.redhat.com/security/cve/CVE-2022-38177 https://access.redhat.com/security/cve/CVE-2022-38178 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: bind-9.16.23-1.el9_0.1.src.rpm
aarch64: bind-9.16.23-1.el9_0.1.aarch64.rpm bind-chroot-9.16.23-1.el9_0.1.aarch64.rpm bind-debuginfo-9.16.23-1.el9_0.1.aarch64.rpm bind-debugsource-9.16.23-1.el9_0.1.aarch64.rpm bind-dnssec-utils-9.16.23-1.el9_0.1.aarch64.rpm bind-dnssec-utils-debuginfo-9.16.23-1.el9_0.1.aarch64.rpm bind-libs-9.16.23-1.el9_0.1.aarch64.rpm bind-libs-debuginfo-9.16.23-1.el9_0.1.aarch64.rpm bind-utils-9.16.23-1.el9_0.1.aarch64.rpm bind-utils-debuginfo-9.16.23-1.el9_0.1.aarch64.rpm
noarch: bind-dnssec-doc-9.16.23-1.el9_0.1.noarch.rpm bind-license-9.16.23-1.el9_0.1.noarch.rpm python3-bind-9.16.23-1.el9_0.1.noarch.rpm
ppc64le: bind-9.16.23-1.el9_0.1.ppc64le.rpm bind-chroot-9.16.23-1.el9_0.1.ppc64le.rpm bind-debuginfo-9.16.23-1.el9_0.1.ppc64le.rpm bind-debugsource-9.16.23-1.el9_0.1.ppc64le.rpm bind-dnssec-utils-9.16.23-1.el9_0.1.ppc64le.rpm bind-dnssec-utils-debuginfo-9.16.23-1.el9_0.1.ppc64le.rpm bind-libs-9.16.23-1.el9_0.1.ppc64le.rpm bind-libs-debuginfo-9.16.23-1.el9_0.1.ppc64le.rpm bind-utils-9.16.23-1.el9_0.1.ppc64le.rpm bind-utils-debuginfo-9.16.23-1.el9_0.1.ppc64le.rpm
s390x: bind-9.16.23-1.el9_0.1.s390x.rpm bind-chroot-9.16.23-1.el9_0.1.s390x.rpm bind-debuginfo-9.16.23-1.el9_0.1.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6763-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6763
Issue date: 2022-10-03

Topic

An update for bind is now available for Red Hat Enterprise Linux 9.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 bind DoS security fix Red Hat Enterprise Linux important memory leak

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2128600 - CVE-2022-3080 bind: BIND 9 resolvers configured to answer from cache with zero stale-answer-timeout may terminate unexpectedly

2128601 - CVE-2022-38177 bind: memory leak in ECDSA DNSSEC verification code

2128602 - CVE-2022-38178 bind: memory leaks in EdDSA DNSSEC verification code

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