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RedHat: RHSA-2022-0457 Critical Samba Security Update in Gluster Storage

red hat
Calendar Grey February 8, 2022
Dist Redhat Esm H88
Urgent samba security patch released for Red Hat Gluster to address buffer overflow flaw in storage solutions.
An update for samba is now available for Red Hat Gluster Storage 3.5 for Red Hat Enterprise Linux 7

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.

For details on migrating Samba/CTDB configuration files, refer to:

https://access.redhat.com/solutions/4311261

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: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142)
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.
All users of Samba with Red Hat Gluster Storage are advised to upgrade to these updated packages.

Topics%20covered

Topics Covered

security advisory Red Hat update critical samba storage

References

https://access.redhat.com/security/cve/CVE-2021-44142 https://access.redhat.com/security/updates/classification/#critical

Package List

Red Hat Gluster 3.5 Samba on RHEL-7:
Source: samba-4.11.6-116.el7rhgs.src.rpm
noarch: samba-common-4.11.6-116.el7rhgs.noarch.rpm samba-pidl-4.11.6-116.el7rhgs.noarch.rpm
x86_64: ctdb-4.11.6-116.el7rhgs.x86_64.rpm libsmbclient-4.11.6-116.el7rhgs.x86_64.rpm libsmbclient-devel-4.11.6-116.el7rhgs.x86_64.rpm libwbclient-4.11.6-116.el7rhgs.x86_64.rpm libwbclient-devel-4.11.6-116.el7rhgs.x86_64.rpm python3-samba-4.11.6-116.el7rhgs.x86_64.rpm samba-4.11.6-116.el7rhgs.x86_64.rpm samba-client-4.11.6-116.el7rhgs.x86_64.rpm samba-client-libs-4.11.6-116.el7rhgs.x86_64.rpm samba-common-libs-4.11.6-116.el7rhgs.x86_64.rpm samba-common-tools-4.11.6-116.el7rhgs.x86_64.rpm samba-debuginfo-4.11.6-116.el7rhgs.x86_64.rpm samba-devel-4.11.6-116.el7rhgs.x86_64.rpm samba-krb5-printing-4.11.6-116.el7rhgs.x86_64.rpm samba-libs-4.11.6-116.el7rhgs.x86_64.rpm samba-vfs-glusterfs-4.11.6-116.el7rhgs.x86_64.rpm samba-winbind-4.11.6-116.el7rhgs.x86_64.rpm samba-winbind-clients-4.11.6-116.el7rhgs.x86_64.rpm samba-winbind-krb5-locator-4.11.6-116.el7rhgs.x86_64.rpm samba-winbind-modules-4.11.6-116.el7rhgs.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0457-01
Product: Red Hat Gluster Storage
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0457
Issue date: 2022-02-07

Topic

An update for samba is now available for Red Hat Gluster Storage 3.5 forRed Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Critical. 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 Red Hat update critical samba storage

Relevant Releases Architectures

Red Hat Gluster 3.5 Samba on RHEL-7 - noarch, x86_64

Bugs Fixed

2046146 - CVE-2021-44142 samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution

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