-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: samba security and bug fix update Advisory ID: RHSA-2022:0328-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0328 Issue date: 2022-01-31 CVE Names: CVE-2021-44142 ==================================================================== 1. Summary: An update for samba is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. 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 Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Resilient Storage (v. 7) - ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64 3. Description: 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. Bug Fix(es): * Fix CVE-2020-25717 username map [script] advice (BZ#2034800) * Fix Kerberos authentication on standalone server with MIT realm (BZ#2036595) 4. 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. 5. Bugs fixed (https://bugzilla.redhat.com/): 2034800 - 4.10.16-17 regression for idmap_nss due to missing patch 2036595 - authentication with kerberos realm not working after update to samba-4.10.16-17 2046146 - CVE-2021-44142 samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: samba-4.10.16-18.el7_9.src.rpm noarch: samba-common-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-4.10.16-18.el7_9.i686.rpm libsmbclient-4.10.16-18.el7_9.x86_64.rpm libwbclient-4.10.16-18.el7_9.i686.rpm libwbclient-4.10.16-18.el7_9.x86_64.rpm samba-client-4.10.16-18.el7_9.x86_64.rpm samba-client-libs-4.10.16-18.el7_9.i686.rpm samba-client-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-libs-4.10.16-18.el7_9.i686.rpm samba-common-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-tools-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-krb5-printing-4.10.16-18.el7_9.x86_64.rpm samba-libs-4.10.16-18.el7_9.i686.rpm samba-libs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-4.10.16-18.el7_9.x86_64.rpm samba-winbind-clients-4.10.16-18.el7_9.x86_64.rpm samba-winbind-modules-4.10.16-18.el7_9.i686.rpm samba-winbind-modules-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): noarch: samba-pidl-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-devel-4.10.16-18.el7_9.i686.rpm libsmbclient-devel-4.10.16-18.el7_9.x86_64.rpm libwbclient-devel-4.10.16-18.el7_9.i686.rpm libwbclient-devel-4.10.16-18.el7_9.x86_64.rpm samba-4.10.16-18.el7_9.x86_64.rpm samba-dc-4.10.16-18.el7_9.x86_64.rpm samba-dc-libs-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-devel-4.10.16-18.el7_9.i686.rpm samba-devel-4.10.16-18.el7_9.x86_64.rpm samba-python-4.10.16-18.el7_9.i686.rpm samba-python-4.10.16-18.el7_9.x86_64.rpm samba-python-test-4.10.16-18.el7_9.x86_64.rpm samba-test-4.10.16-18.el7_9.x86_64.rpm samba-test-libs-4.10.16-18.el7_9.i686.rpm samba-test-libs-4.10.16-18.el7_9.x86_64.rpm samba-vfs-glusterfs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: samba-4.10.16-18.el7_9.src.rpm noarch: samba-common-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-4.10.16-18.el7_9.i686.rpm libsmbclient-4.10.16-18.el7_9.x86_64.rpm libwbclient-4.10.16-18.el7_9.i686.rpm libwbclient-4.10.16-18.el7_9.x86_64.rpm samba-client-4.10.16-18.el7_9.x86_64.rpm samba-client-libs-4.10.16-18.el7_9.i686.rpm samba-client-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-libs-4.10.16-18.el7_9.i686.rpm samba-common-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-tools-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-libs-4.10.16-18.el7_9.i686.rpm samba-libs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-4.10.16-18.el7_9.x86_64.rpm samba-winbind-clients-4.10.16-18.el7_9.x86_64.rpm samba-winbind-modules-4.10.16-18.el7_9.i686.rpm samba-winbind-modules-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): noarch: samba-pidl-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-devel-4.10.16-18.el7_9.i686.rpm libsmbclient-devel-4.10.16-18.el7_9.x86_64.rpm libwbclient-devel-4.10.16-18.el7_9.i686.rpm libwbclient-devel-4.10.16-18.el7_9.x86_64.rpm samba-4.10.16-18.el7_9.x86_64.rpm samba-dc-4.10.16-18.el7_9.x86_64.rpm samba-dc-libs-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-devel-4.10.16-18.el7_9.i686.rpm samba-devel-4.10.16-18.el7_9.x86_64.rpm samba-krb5-printing-4.10.16-18.el7_9.x86_64.rpm samba-python-4.10.16-18.el7_9.i686.rpm samba-python-4.10.16-18.el7_9.x86_64.rpm samba-python-test-4.10.16-18.el7_9.x86_64.rpm samba-test-4.10.16-18.el7_9.x86_64.rpm samba-test-libs-4.10.16-18.el7_9.i686.rpm samba-test-libs-4.10.16-18.el7_9.x86_64.rpm samba-vfs-glusterfs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: samba-4.10.16-18.el7_9.src.rpm noarch: samba-common-4.10.16-18.el7_9.noarch.rpm ppc64: libsmbclient-4.10.16-18.el7_9.ppc.rpm libsmbclient-4.10.16-18.el7_9.ppc64.rpm libwbclient-4.10.16-18.el7_9.ppc.rpm libwbclient-4.10.16-18.el7_9.ppc64.rpm samba-4.10.16-18.el7_9.ppc64.rpm samba-client-4.10.16-18.el7_9.ppc64.rpm samba-client-libs-4.10.16-18.el7_9.ppc.rpm samba-client-libs-4.10.16-18.el7_9.ppc64.rpm samba-common-libs-4.10.16-18.el7_9.ppc.rpm samba-common-libs-4.10.16-18.el7_9.ppc64.rpm samba-common-tools-4.10.16-18.el7_9.ppc64.rpm samba-debuginfo-4.10.16-18.el7_9.ppc.rpm samba-debuginfo-4.10.16-18.el7_9.ppc64.rpm samba-krb5-printing-4.10.16-18.el7_9.ppc64.rpm samba-libs-4.10.16-18.el7_9.ppc.rpm samba-libs-4.10.16-18.el7_9.ppc64.rpm samba-winbind-4.10.16-18.el7_9.ppc64.rpm samba-winbind-clients-4.10.16-18.el7_9.ppc64.rpm samba-winbind-modules-4.10.16-18.el7_9.ppc.rpm samba-winbind-modules-4.10.16-18.el7_9.ppc64.rpm ppc64le: libsmbclient-4.10.16-18.el7_9.ppc64le.rpm libwbclient-4.10.16-18.el7_9.ppc64le.rpm samba-4.10.16-18.el7_9.ppc64le.rpm samba-client-4.10.16-18.el7_9.ppc64le.rpm samba-client-libs-4.10.16-18.el7_9.ppc64le.rpm samba-common-libs-4.10.16-18.el7_9.ppc64le.rpm samba-common-tools-4.10.16-18.el7_9.ppc64le.rpm samba-debuginfo-4.10.16-18.el7_9.ppc64le.rpm samba-krb5-printing-4.10.16-18.el7_9.ppc64le.rpm samba-libs-4.10.16-18.el7_9.ppc64le.rpm samba-winbind-4.10.16-18.el7_9.ppc64le.rpm samba-winbind-clients-4.10.16-18.el7_9.ppc64le.rpm samba-winbind-modules-4.10.16-18.el7_9.ppc64le.rpm s390x: libsmbclient-4.10.16-18.el7_9.s390.rpm libsmbclient-4.10.16-18.el7_9.s390x.rpm libwbclient-4.10.16-18.el7_9.s390.rpm libwbclient-4.10.16-18.el7_9.s390x.rpm samba-4.10.16-18.el7_9.s390x.rpm samba-client-4.10.16-18.el7_9.s390x.rpm samba-client-libs-4.10.16-18.el7_9.s390.rpm samba-client-libs-4.10.16-18.el7_9.s390x.rpm samba-common-libs-4.10.16-18.el7_9.s390.rpm samba-common-libs-4.10.16-18.el7_9.s390x.rpm samba-common-tools-4.10.16-18.el7_9.s390x.rpm samba-debuginfo-4.10.16-18.el7_9.s390.rpm samba-debuginfo-4.10.16-18.el7_9.s390x.rpm samba-krb5-printing-4.10.16-18.el7_9.s390x.rpm samba-libs-4.10.16-18.el7_9.s390.rpm samba-libs-4.10.16-18.el7_9.s390x.rpm samba-winbind-4.10.16-18.el7_9.s390x.rpm samba-winbind-clients-4.10.16-18.el7_9.s390x.rpm samba-winbind-modules-4.10.16-18.el7_9.s390.rpm samba-winbind-modules-4.10.16-18.el7_9.s390x.rpm x86_64: libsmbclient-4.10.16-18.el7_9.i686.rpm libsmbclient-4.10.16-18.el7_9.x86_64.rpm libwbclient-4.10.16-18.el7_9.i686.rpm libwbclient-4.10.16-18.el7_9.x86_64.rpm samba-4.10.16-18.el7_9.x86_64.rpm samba-client-4.10.16-18.el7_9.x86_64.rpm samba-client-libs-4.10.16-18.el7_9.i686.rpm samba-client-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-libs-4.10.16-18.el7_9.i686.rpm samba-common-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-tools-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-krb5-printing-4.10.16-18.el7_9.x86_64.rpm samba-libs-4.10.16-18.el7_9.i686.rpm samba-libs-4.10.16-18.el7_9.x86_64.rpm samba-python-4.10.16-18.el7_9.i686.rpm samba-python-4.10.16-18.el7_9.x86_64.rpm samba-winbind-4.10.16-18.el7_9.x86_64.rpm samba-winbind-clients-4.10.16-18.el7_9.x86_64.rpm samba-winbind-modules-4.10.16-18.el7_9.i686.rpm samba-winbind-modules-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Resilient Storage (v. 7): ppc64le: ctdb-4.10.16-18.el7_9.ppc64le.rpm ctdb-tests-4.10.16-18.el7_9.ppc64le.rpm samba-debuginfo-4.10.16-18.el7_9.ppc64le.rpm s390x: ctdb-4.10.16-18.el7_9.s390x.rpm ctdb-tests-4.10.16-18.el7_9.s390x.rpm samba-debuginfo-4.10.16-18.el7_9.s390x.rpm x86_64: ctdb-4.10.16-18.el7_9.x86_64.rpm ctdb-tests-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): noarch: samba-pidl-4.10.16-18.el7_9.noarch.rpm ppc64: libsmbclient-devel-4.10.16-18.el7_9.ppc.rpm libsmbclient-devel-4.10.16-18.el7_9.ppc64.rpm libwbclient-devel-4.10.16-18.el7_9.ppc.rpm libwbclient-devel-4.10.16-18.el7_9.ppc64.rpm samba-dc-4.10.16-18.el7_9.ppc64.rpm samba-dc-libs-4.10.16-18.el7_9.ppc64.rpm samba-debuginfo-4.10.16-18.el7_9.ppc.rpm samba-debuginfo-4.10.16-18.el7_9.ppc64.rpm samba-devel-4.10.16-18.el7_9.ppc.rpm samba-devel-4.10.16-18.el7_9.ppc64.rpm samba-python-4.10.16-18.el7_9.ppc.rpm samba-python-4.10.16-18.el7_9.ppc64.rpm samba-python-test-4.10.16-18.el7_9.ppc64.rpm samba-test-4.10.16-18.el7_9.ppc64.rpm samba-test-libs-4.10.16-18.el7_9.ppc.rpm samba-test-libs-4.10.16-18.el7_9.ppc64.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.ppc64.rpm ppc64le: libsmbclient-devel-4.10.16-18.el7_9.ppc64le.rpm libwbclient-devel-4.10.16-18.el7_9.ppc64le.rpm samba-dc-4.10.16-18.el7_9.ppc64le.rpm samba-dc-libs-4.10.16-18.el7_9.ppc64le.rpm samba-debuginfo-4.10.16-18.el7_9.ppc64le.rpm samba-devel-4.10.16-18.el7_9.ppc64le.rpm samba-python-4.10.16-18.el7_9.ppc64le.rpm samba-python-test-4.10.16-18.el7_9.ppc64le.rpm samba-test-4.10.16-18.el7_9.ppc64le.rpm samba-test-libs-4.10.16-18.el7_9.ppc64le.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.ppc64le.rpm s390x: libsmbclient-devel-4.10.16-18.el7_9.s390.rpm libsmbclient-devel-4.10.16-18.el7_9.s390x.rpm libwbclient-devel-4.10.16-18.el7_9.s390.rpm libwbclient-devel-4.10.16-18.el7_9.s390x.rpm samba-dc-4.10.16-18.el7_9.s390x.rpm samba-dc-libs-4.10.16-18.el7_9.s390x.rpm samba-debuginfo-4.10.16-18.el7_9.s390.rpm samba-debuginfo-4.10.16-18.el7_9.s390x.rpm samba-devel-4.10.16-18.el7_9.s390.rpm samba-devel-4.10.16-18.el7_9.s390x.rpm samba-python-4.10.16-18.el7_9.s390.rpm samba-python-4.10.16-18.el7_9.s390x.rpm samba-python-test-4.10.16-18.el7_9.s390x.rpm samba-test-4.10.16-18.el7_9.s390x.rpm samba-test-libs-4.10.16-18.el7_9.s390.rpm samba-test-libs-4.10.16-18.el7_9.s390x.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.s390x.rpm x86_64: libsmbclient-devel-4.10.16-18.el7_9.i686.rpm libsmbclient-devel-4.10.16-18.el7_9.x86_64.rpm libwbclient-devel-4.10.16-18.el7_9.i686.rpm libwbclient-devel-4.10.16-18.el7_9.x86_64.rpm samba-dc-4.10.16-18.el7_9.x86_64.rpm samba-dc-libs-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-devel-4.10.16-18.el7_9.i686.rpm samba-devel-4.10.16-18.el7_9.x86_64.rpm samba-python-test-4.10.16-18.el7_9.x86_64.rpm samba-test-4.10.16-18.el7_9.x86_64.rpm samba-test-libs-4.10.16-18.el7_9.i686.rpm samba-test-libs-4.10.16-18.el7_9.x86_64.rpm samba-vfs-glusterfs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: samba-4.10.16-18.el7_9.src.rpm noarch: samba-common-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-4.10.16-18.el7_9.i686.rpm libsmbclient-4.10.16-18.el7_9.x86_64.rpm libwbclient-4.10.16-18.el7_9.i686.rpm libwbclient-4.10.16-18.el7_9.x86_64.rpm samba-4.10.16-18.el7_9.x86_64.rpm samba-client-4.10.16-18.el7_9.x86_64.rpm samba-client-libs-4.10.16-18.el7_9.i686.rpm samba-client-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-libs-4.10.16-18.el7_9.i686.rpm samba-common-libs-4.10.16-18.el7_9.x86_64.rpm samba-common-tools-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-krb5-printing-4.10.16-18.el7_9.x86_64.rpm samba-libs-4.10.16-18.el7_9.i686.rpm samba-libs-4.10.16-18.el7_9.x86_64.rpm samba-python-4.10.16-18.el7_9.i686.rpm samba-python-4.10.16-18.el7_9.x86_64.rpm samba-winbind-4.10.16-18.el7_9.x86_64.rpm samba-winbind-clients-4.10.16-18.el7_9.x86_64.rpm samba-winbind-modules-4.10.16-18.el7_9.i686.rpm samba-winbind-modules-4.10.16-18.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): noarch: samba-pidl-4.10.16-18.el7_9.noarch.rpm x86_64: libsmbclient-devel-4.10.16-18.el7_9.i686.rpm libsmbclient-devel-4.10.16-18.el7_9.x86_64.rpm libwbclient-devel-4.10.16-18.el7_9.i686.rpm libwbclient-devel-4.10.16-18.el7_9.x86_64.rpm samba-dc-4.10.16-18.el7_9.x86_64.rpm samba-dc-libs-4.10.16-18.el7_9.x86_64.rpm samba-debuginfo-4.10.16-18.el7_9.i686.rpm samba-debuginfo-4.10.16-18.el7_9.x86_64.rpm samba-devel-4.10.16-18.el7_9.i686.rpm samba-devel-4.10.16-18.el7_9.x86_64.rpm samba-python-test-4.10.16-18.el7_9.x86_64.rpm samba-test-4.10.16-18.el7_9.x86_64.rpm samba-test-libs-4.10.16-18.el7_9.i686.rpm samba-test-libs-4.10.16-18.el7_9.x86_64.rpm samba-vfs-glusterfs-4.10.16-18.el7_9.x86_64.rpm samba-winbind-krb5-locator-4.10.16-18.el7_9.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-2021-44142 https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYfg3utzjgjWX9erEAQiW5A/9FfMdoVM57m1MQWjHSyxSKaaQzRG4nASl XluNgbIP6XShKejIacSixa+57y/+xm7ZtQwJvURtwj3JKut6gCnyMqohQ72Pn4YU Wxq0DjNBf33FT0hN7GprY4a2/wOwsC+m1jVhvawZ11IQnRUbDi1pIJFellXUpPVW SUE2sPTqWbePWxPaQmWxXrcrw0f5XLqqHiCV+ME6nF6TVd/LFMvF1b118XEzNmma 7iBvSiORi+3NJTp+vYGgy6tA7ikpeFvLAPpkzUB/XTbF9TMWcKil1L9ceYadt9cR XiNY3Y/n6GdKZt04nwtbpXlS4kq/y5vIVycRT3ZKBAciVbTdJ9a9pTsocdyvrIQq /feWDP1ATyO4NUUUbAbZXgB9RohhFVOs4eCmLTy5XLBWnw2d744/hXwcpyY9F/Rq gPxzyXXAFthavOgezzVEK3T8un3R75UlJZh4R4D5iDzXdQRIK9cT5HrUs3Xz5aTD GyETh0QfGPJlCRTs3saG0+oB197Rtk872NrSeLsiT5XuKUzADuJow759pmIaeZbg EgoDOiKfSp15EvEcbLyx+LYDOPgB2QAZhvKbN52qfxTPzMczmPAE0vStTa5EJlYD G3KQ/ZOObJA1m9/Q9vFv6yAhUAOu8N/n8Vg5nAdOrhCkI5+Pge0N6drabsQQXkzA iv62kDMkb+Q=NKmo -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce