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Red Hat Enterprise Linux 8 - RHSA-2023:4328-01 Samba Security Update

red hat
Calendar Grey July 31, 2023
Dist Redhat Esm H88
Red Hat releases a crucial security patch for Samba impacting Enterprise Linux 8. Find more information on the update within.
An update for samba 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

After installing this update, the smb service will be restarted automatically.

Summary

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.
Security Fix(es):
* samba: SMB2 packet signing is not enforced when "server signing = required" is set (CVE-2023-3347)
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.
Bug Fix(es):
* The trust relationship between this workstation and the primary domain failed (BZ#2223601)

Topics%20covered

Topics Covered

security advisory moderate Red Hat bug fix samba security fix SMB

References

https://access.redhat.com/security/cve/CVE-2023-3347 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: ctdb-debuginfo-4.17.5-3.el8_8.aarch64.rpm libnetapi-debuginfo-4.17.5-3.el8_8.aarch64.rpm libsmbclient-debuginfo-4.17.5-3.el8_8.aarch64.rpm libwbclient-debuginfo-4.17.5-3.el8_8.aarch64.rpm python3-samba-dc-debuginfo-4.17.5-3.el8_8.aarch64.rpm python3-samba-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-client-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-client-libs-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-common-libs-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-common-tools-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-dc-libs-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-dcerpc-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-debugsource-4.17.5-3.el8_8.aarch64.rpm samba-krb5-printing-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-ldb-ldap-modules-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-libs-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-test-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-test-libs-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-vfs-iouring-4.17.5-3.el8_8.aarch64.rpm samba-vfs-iouring-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-winbind-clients-debuginfo-4.17.5-3.el8_8.aarch64.rpm samba-winbind-debuginfo-4.17.5-3.el8_8.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4328-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4328
Issue date: 2023-07-31

Topic

An update for samba 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 Red Hat bug fix samba security fix SMB

Relevant Releases Architectures

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

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

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

Bugs Fixed

2222792 - CVE-2023-3347 samba: SMB2 packet signing is not enforced when "server signing = required" is set

2223601 - The trust relationship between this workstation and the primary domain failed [rhel-8.8.0.z]

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