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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: samba security, bug fix and enhancement update
Advisory ID:       RHSA-2022:1756-01
Product:           Red Hat Gluster Storage
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1756
Issue date:        2022-05-10
CVE Names:         CVE-2021-20316 CVE-2021-44141 
====================================================================
1. Summary:

Updated samba packages that fix several bugs with added enhancement are now
available for Red Hat Gluster Storage 3.5 on Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Gluster 3.5 Samba on RHEL-8 - noarch, x86_64

3. Description:

Red Hat Gluster Storage is a software only scale-out storage solution that
provides flexible and affordable unstructured data storage. It unifies data
storage and infrastructure, increases performance, and improves
availability and manageability to meet enterprise-level storage challenges.

Security Fix(es):

* samba: Symlink race error can allow metadata read and modify outside of
the exported share (CVE-2021-20316)
* samba: Information leak via symlinks of existance of files or directories
outside of the exported share (CVE-2021-44141)

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.

Users of samba with Red Hat Gluster Storage are advised to upgrade to these
updated packages.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2009673 - CVE-2021-20316 samba: Symlink race error can allow metadata read and modify outside of the exported share
2044187 - [Samba] Higher version of rhgs samba is required to avoid conflict with rhel-8.6 based samba version
2046120 - CVE-2021-44141 samba: Information leak via symlinks of existance of files or directories outside of the exported share

6. Package List:

Red Hat Gluster 3.5 Samba on RHEL-8:

Source:
libtalloc-2.3.3-2.el8rhgs.src.rpm
libtdb-1.4.4-2.el8rhgs.src.rpm
libtevent-0.11.0-1.el8rhgs.src.rpm
samba-4.15.5-100.el8rhgs.src.rpm

noarch:
samba-common-4.15.5-100.el8rhgs.noarch.rpm
samba-pidl-4.15.5-100.el8rhgs.noarch.rpm

x86_64:
ctdb-4.15.5-100.el8rhgs.x86_64.rpm
ctdb-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
libsmbclient-4.15.5-100.el8rhgs.x86_64.rpm
libsmbclient-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
libsmbclient-devel-4.15.5-100.el8rhgs.x86_64.rpm
libtalloc-2.3.3-2.el8rhgs.x86_64.rpm
libtalloc-debuginfo-2.3.3-2.el8rhgs.x86_64.rpm
libtalloc-debugsource-2.3.3-2.el8rhgs.x86_64.rpm
libtalloc-devel-2.3.3-2.el8rhgs.x86_64.rpm
libtdb-1.4.4-2.el8rhgs.x86_64.rpm
libtdb-debuginfo-1.4.4-2.el8rhgs.x86_64.rpm
libtdb-debugsource-1.4.4-2.el8rhgs.x86_64.rpm
libtdb-devel-1.4.4-2.el8rhgs.x86_64.rpm
libtevent-0.11.0-1.el8rhgs.x86_64.rpm
libtevent-debuginfo-0.11.0-1.el8rhgs.x86_64.rpm
libtevent-debugsource-0.11.0-1.el8rhgs.x86_64.rpm
libtevent-devel-0.11.0-1.el8rhgs.x86_64.rpm
libwbclient-4.15.5-100.el8rhgs.x86_64.rpm
libwbclient-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
libwbclient-devel-4.15.5-100.el8rhgs.x86_64.rpm
python3-samba-4.15.5-100.el8rhgs.x86_64.rpm
python3-samba-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
python3-talloc-2.3.3-2.el8rhgs.x86_64.rpm
python3-talloc-debuginfo-2.3.3-2.el8rhgs.x86_64.rpm
python3-talloc-devel-2.3.3-2.el8rhgs.x86_64.rpm
python3-tdb-1.4.4-2.el8rhgs.x86_64.rpm
python3-tdb-debuginfo-1.4.4-2.el8rhgs.x86_64.rpm
python3-tevent-0.11.0-1.el8rhgs.x86_64.rpm
python3-tevent-debuginfo-0.11.0-1.el8rhgs.x86_64.rpm
samba-4.15.5-100.el8rhgs.x86_64.rpm
samba-client-4.15.5-100.el8rhgs.x86_64.rpm
samba-client-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-client-libs-4.15.5-100.el8rhgs.x86_64.rpm
samba-client-libs-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-common-libs-4.15.5-100.el8rhgs.x86_64.rpm
samba-common-libs-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-common-tools-4.15.5-100.el8rhgs.x86_64.rpm
samba-common-tools-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-debugsource-4.15.5-100.el8rhgs.x86_64.rpm
samba-devel-4.15.5-100.el8rhgs.x86_64.rpm
samba-krb5-printing-4.15.5-100.el8rhgs.x86_64.rpm
samba-krb5-printing-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-libs-4.15.5-100.el8rhgs.x86_64.rpm
samba-libs-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-test-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-test-libs-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-vfs-glusterfs-4.15.5-100.el8rhgs.x86_64.rpm
samba-vfs-glusterfs-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-vfs-iouring-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-clients-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-clients-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-krb5-locator-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-krb5-locator-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-modules-4.15.5-100.el8rhgs.x86_64.rpm
samba-winbind-modules-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
samba-winexe-debuginfo-4.15.5-100.el8rhgs.x86_64.rpm
tdb-tools-1.4.4-2.el8rhgs.x86_64.rpm
tdb-tools-debuginfo-1.4.4-2.el8rhgs.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/

7. References:

https://access.redhat.com/security/cve/CVE-2021-20316
https://access.redhat.com/security/cve/CVE-2021-44141
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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