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Red Hat: RHSA-2022:6779-01 Important: BIND Memory Leak Issue

red hat
Calendar Grey October 4, 2022
Dist Redhat Esm H88
A crucial security patch has been released for Red Hat Enterprise Linux 8.4, targeting memory vulnerabilities in BIND.
An update for bind is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

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: 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 Red Hat Enterprise Linux important memory leak DNS BIND EUS

References

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 EUS (v.8.4):
aarch64: bind-9.11.26-4.el8_4.1.aarch64.rpm bind-chroot-9.11.26-4.el8_4.1.aarch64.rpm bind-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-debugsource-9.11.26-4.el8_4.1.aarch64.rpm bind-devel-9.11.26-4.el8_4.1.aarch64.rpm bind-export-libs-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-libs-9.11.26-4.el8_4.1.aarch64.rpm bind-libs-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-libs-lite-9.11.26-4.el8_4.1.aarch64.rpm bind-libs-lite-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-lite-devel-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-devel-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-libs-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-libs-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-utils-9.11.26-4.el8_4.1.aarch64.rpm bind-pkcs11-utils-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-sdb-9.11.26-4.el8_4.1.aarch64.rpm bind-sdb-chroot-9.11.26-4.el8_4.1.aarch64.rpm bind-sdb-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm bind-utils-9.11.26-4.el8_4.1.aarch64.rpm bind-utils-debuginfo-9.11.26-4.el8_4.1.aarch64.rpm
noarch: bind-license-9.11.26-4.el8_4.1.noarch.rpm python3-bind-9.11.26-4.el8_4.1.noarch.rpm
ppc64le: bind-9.11.26-4.el8_4.1.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6779-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6779
Issue date: 2022-10-04

Topic

An update for bind is now available for Red Hat Enterprise Linux 8.4Extended Update Support.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 Enterprise Linux important memory leak DNS BIND EUS

Relevant Releases Architectures

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

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

Bugs Fixed

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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