-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: samba security update Advisory ID: RHSA-2021:3988-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3988 Issue date: 2021-10-26 CVE Names: CVE-2021-20254 ==================================================================== 1. Summary: An update for samba is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 Enterprise Linux Server AUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, 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: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token (CVE-2021-20254) 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. 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/): 1949442 - CVE-2021-20254 samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.7): Source: samba-4.9.1-11.el7_7.src.rpm noarch: samba-common-4.9.1-11.el7_7.noarch.rpm ppc64: libsmbclient-4.9.1-11.el7_7.ppc.rpm libsmbclient-4.9.1-11.el7_7.ppc64.rpm libwbclient-4.9.1-11.el7_7.ppc.rpm libwbclient-4.9.1-11.el7_7.ppc64.rpm samba-4.9.1-11.el7_7.ppc64.rpm samba-client-4.9.1-11.el7_7.ppc64.rpm samba-client-libs-4.9.1-11.el7_7.ppc.rpm samba-client-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-tools-4.9.1-11.el7_7.ppc64.rpm samba-debuginfo-4.9.1-11.el7_7.ppc.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64.rpm samba-libs-4.9.1-11.el7_7.ppc.rpm samba-libs-4.9.1-11.el7_7.ppc64.rpm samba-winbind-4.9.1-11.el7_7.ppc64.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64.rpm ppc64le: libsmbclient-4.9.1-11.el7_7.ppc64le.rpm libwbclient-4.9.1-11.el7_7.ppc64le.rpm samba-4.9.1-11.el7_7.ppc64le.rpm samba-client-4.9.1-11.el7_7.ppc64le.rpm samba-client-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-tools-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64le.rpm samba-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64le.rpm s390x: libsmbclient-4.9.1-11.el7_7.s390.rpm libsmbclient-4.9.1-11.el7_7.s390x.rpm libwbclient-4.9.1-11.el7_7.s390.rpm libwbclient-4.9.1-11.el7_7.s390x.rpm samba-4.9.1-11.el7_7.s390x.rpm samba-client-4.9.1-11.el7_7.s390x.rpm samba-client-libs-4.9.1-11.el7_7.s390.rpm samba-client-libs-4.9.1-11.el7_7.s390x.rpm samba-common-libs-4.9.1-11.el7_7.s390x.rpm samba-common-tools-4.9.1-11.el7_7.s390x.rpm samba-debuginfo-4.9.1-11.el7_7.s390.rpm samba-debuginfo-4.9.1-11.el7_7.s390x.rpm samba-krb5-printing-4.9.1-11.el7_7.s390x.rpm samba-libs-4.9.1-11.el7_7.s390.rpm samba-libs-4.9.1-11.el7_7.s390x.rpm samba-winbind-4.9.1-11.el7_7.s390x.rpm samba-winbind-clients-4.9.1-11.el7_7.s390x.rpm samba-winbind-modules-4.9.1-11.el7_7.s390.rpm samba-winbind-modules-4.9.1-11.el7_7.s390x.rpm x86_64: libsmbclient-4.9.1-11.el7_7.i686.rpm libsmbclient-4.9.1-11.el7_7.x86_64.rpm libwbclient-4.9.1-11.el7_7.i686.rpm libwbclient-4.9.1-11.el7_7.x86_64.rpm samba-4.9.1-11.el7_7.x86_64.rpm samba-client-4.9.1-11.el7_7.x86_64.rpm samba-client-libs-4.9.1-11.el7_7.i686.rpm samba-client-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-tools-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-krb5-printing-4.9.1-11.el7_7.x86_64.rpm samba-libs-4.9.1-11.el7_7.i686.rpm samba-libs-4.9.1-11.el7_7.x86_64.rpm samba-python-4.9.1-11.el7_7.i686.rpm samba-python-4.9.1-11.el7_7.x86_64.rpm samba-winbind-4.9.1-11.el7_7.x86_64.rpm samba-winbind-clients-4.9.1-11.el7_7.x86_64.rpm samba-winbind-modules-4.9.1-11.el7_7.i686.rpm samba-winbind-modules-4.9.1-11.el7_7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: samba-4.9.1-11.el7_7.src.rpm noarch: samba-common-4.9.1-11.el7_7.noarch.rpm ppc64: libsmbclient-4.9.1-11.el7_7.ppc.rpm libsmbclient-4.9.1-11.el7_7.ppc64.rpm libwbclient-4.9.1-11.el7_7.ppc.rpm libwbclient-4.9.1-11.el7_7.ppc64.rpm samba-4.9.1-11.el7_7.ppc64.rpm samba-client-4.9.1-11.el7_7.ppc64.rpm samba-client-libs-4.9.1-11.el7_7.ppc.rpm samba-client-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-tools-4.9.1-11.el7_7.ppc64.rpm samba-debuginfo-4.9.1-11.el7_7.ppc.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64.rpm samba-libs-4.9.1-11.el7_7.ppc.rpm samba-libs-4.9.1-11.el7_7.ppc64.rpm samba-winbind-4.9.1-11.el7_7.ppc64.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64.rpm ppc64le: libsmbclient-4.9.1-11.el7_7.ppc64le.rpm libwbclient-4.9.1-11.el7_7.ppc64le.rpm samba-4.9.1-11.el7_7.ppc64le.rpm samba-client-4.9.1-11.el7_7.ppc64le.rpm samba-client-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-tools-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64le.rpm samba-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64le.rpm s390x: libsmbclient-4.9.1-11.el7_7.s390.rpm libsmbclient-4.9.1-11.el7_7.s390x.rpm libwbclient-4.9.1-11.el7_7.s390.rpm libwbclient-4.9.1-11.el7_7.s390x.rpm samba-4.9.1-11.el7_7.s390x.rpm samba-client-4.9.1-11.el7_7.s390x.rpm samba-client-libs-4.9.1-11.el7_7.s390.rpm samba-client-libs-4.9.1-11.el7_7.s390x.rpm samba-common-libs-4.9.1-11.el7_7.s390x.rpm samba-common-tools-4.9.1-11.el7_7.s390x.rpm samba-debuginfo-4.9.1-11.el7_7.s390.rpm samba-debuginfo-4.9.1-11.el7_7.s390x.rpm samba-krb5-printing-4.9.1-11.el7_7.s390x.rpm samba-libs-4.9.1-11.el7_7.s390.rpm samba-libs-4.9.1-11.el7_7.s390x.rpm samba-winbind-4.9.1-11.el7_7.s390x.rpm samba-winbind-clients-4.9.1-11.el7_7.s390x.rpm samba-winbind-modules-4.9.1-11.el7_7.s390.rpm samba-winbind-modules-4.9.1-11.el7_7.s390x.rpm x86_64: libsmbclient-4.9.1-11.el7_7.i686.rpm libsmbclient-4.9.1-11.el7_7.x86_64.rpm libwbclient-4.9.1-11.el7_7.i686.rpm libwbclient-4.9.1-11.el7_7.x86_64.rpm samba-4.9.1-11.el7_7.x86_64.rpm samba-client-4.9.1-11.el7_7.x86_64.rpm samba-client-libs-4.9.1-11.el7_7.i686.rpm samba-client-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-tools-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-krb5-printing-4.9.1-11.el7_7.x86_64.rpm samba-libs-4.9.1-11.el7_7.i686.rpm samba-libs-4.9.1-11.el7_7.x86_64.rpm samba-python-4.9.1-11.el7_7.i686.rpm samba-python-4.9.1-11.el7_7.x86_64.rpm samba-winbind-4.9.1-11.el7_7.x86_64.rpm samba-winbind-clients-4.9.1-11.el7_7.x86_64.rpm samba-winbind-modules-4.9.1-11.el7_7.i686.rpm samba-winbind-modules-4.9.1-11.el7_7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: samba-4.9.1-11.el7_7.src.rpm noarch: samba-common-4.9.1-11.el7_7.noarch.rpm ppc64: libsmbclient-4.9.1-11.el7_7.ppc.rpm libsmbclient-4.9.1-11.el7_7.ppc64.rpm libwbclient-4.9.1-11.el7_7.ppc.rpm libwbclient-4.9.1-11.el7_7.ppc64.rpm samba-4.9.1-11.el7_7.ppc64.rpm samba-client-4.9.1-11.el7_7.ppc64.rpm samba-client-libs-4.9.1-11.el7_7.ppc.rpm samba-client-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-libs-4.9.1-11.el7_7.ppc64.rpm samba-common-tools-4.9.1-11.el7_7.ppc64.rpm samba-debuginfo-4.9.1-11.el7_7.ppc.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64.rpm samba-libs-4.9.1-11.el7_7.ppc.rpm samba-libs-4.9.1-11.el7_7.ppc64.rpm samba-winbind-4.9.1-11.el7_7.ppc64.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64.rpm ppc64le: libsmbclient-4.9.1-11.el7_7.ppc64le.rpm libwbclient-4.9.1-11.el7_7.ppc64le.rpm samba-4.9.1-11.el7_7.ppc64le.rpm samba-client-4.9.1-11.el7_7.ppc64le.rpm samba-client-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-libs-4.9.1-11.el7_7.ppc64le.rpm samba-common-tools-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-krb5-printing-4.9.1-11.el7_7.ppc64le.rpm samba-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-clients-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-modules-4.9.1-11.el7_7.ppc64le.rpm s390x: libsmbclient-4.9.1-11.el7_7.s390.rpm libsmbclient-4.9.1-11.el7_7.s390x.rpm libwbclient-4.9.1-11.el7_7.s390.rpm libwbclient-4.9.1-11.el7_7.s390x.rpm samba-4.9.1-11.el7_7.s390x.rpm samba-client-4.9.1-11.el7_7.s390x.rpm samba-client-libs-4.9.1-11.el7_7.s390.rpm samba-client-libs-4.9.1-11.el7_7.s390x.rpm samba-common-libs-4.9.1-11.el7_7.s390x.rpm samba-common-tools-4.9.1-11.el7_7.s390x.rpm samba-debuginfo-4.9.1-11.el7_7.s390.rpm samba-debuginfo-4.9.1-11.el7_7.s390x.rpm samba-krb5-printing-4.9.1-11.el7_7.s390x.rpm samba-libs-4.9.1-11.el7_7.s390.rpm samba-libs-4.9.1-11.el7_7.s390x.rpm samba-winbind-4.9.1-11.el7_7.s390x.rpm samba-winbind-clients-4.9.1-11.el7_7.s390x.rpm samba-winbind-modules-4.9.1-11.el7_7.s390.rpm samba-winbind-modules-4.9.1-11.el7_7.s390x.rpm x86_64: libsmbclient-4.9.1-11.el7_7.i686.rpm libsmbclient-4.9.1-11.el7_7.x86_64.rpm libwbclient-4.9.1-11.el7_7.i686.rpm libwbclient-4.9.1-11.el7_7.x86_64.rpm samba-4.9.1-11.el7_7.x86_64.rpm samba-client-4.9.1-11.el7_7.x86_64.rpm samba-client-libs-4.9.1-11.el7_7.i686.rpm samba-client-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-libs-4.9.1-11.el7_7.x86_64.rpm samba-common-tools-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-krb5-printing-4.9.1-11.el7_7.x86_64.rpm samba-libs-4.9.1-11.el7_7.i686.rpm samba-libs-4.9.1-11.el7_7.x86_64.rpm samba-python-4.9.1-11.el7_7.i686.rpm samba-python-4.9.1-11.el7_7.x86_64.rpm samba-winbind-4.9.1-11.el7_7.x86_64.rpm samba-winbind-clients-4.9.1-11.el7_7.x86_64.rpm samba-winbind-modules-4.9.1-11.el7_7.i686.rpm samba-winbind-modules-4.9.1-11.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): noarch: samba-pidl-4.9.1-11.el7_7.noarch.rpm ppc64: libsmbclient-devel-4.9.1-11.el7_7.ppc.rpm libsmbclient-devel-4.9.1-11.el7_7.ppc64.rpm libwbclient-devel-4.9.1-11.el7_7.ppc.rpm libwbclient-devel-4.9.1-11.el7_7.ppc64.rpm samba-dc-4.9.1-11.el7_7.ppc64.rpm samba-dc-libs-4.9.1-11.el7_7.ppc64.rpm samba-debuginfo-4.9.1-11.el7_7.ppc.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm samba-devel-4.9.1-11.el7_7.ppc.rpm samba-devel-4.9.1-11.el7_7.ppc64.rpm samba-python-4.9.1-11.el7_7.ppc.rpm samba-python-4.9.1-11.el7_7.ppc64.rpm samba-python-test-4.9.1-11.el7_7.ppc64.rpm samba-test-4.9.1-11.el7_7.ppc64.rpm samba-test-libs-4.9.1-11.el7_7.ppc.rpm samba-test-libs-4.9.1-11.el7_7.ppc64.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.ppc64.rpm ppc64le: libsmbclient-devel-4.9.1-11.el7_7.ppc64le.rpm libwbclient-devel-4.9.1-11.el7_7.ppc64le.rpm samba-dc-4.9.1-11.el7_7.ppc64le.rpm samba-dc-libs-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-devel-4.9.1-11.el7_7.ppc64le.rpm samba-python-4.9.1-11.el7_7.ppc64le.rpm samba-python-test-4.9.1-11.el7_7.ppc64le.rpm samba-test-4.9.1-11.el7_7.ppc64le.rpm samba-test-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.ppc64le.rpm s390x: libsmbclient-devel-4.9.1-11.el7_7.s390.rpm libsmbclient-devel-4.9.1-11.el7_7.s390x.rpm libwbclient-devel-4.9.1-11.el7_7.s390.rpm libwbclient-devel-4.9.1-11.el7_7.s390x.rpm samba-dc-4.9.1-11.el7_7.s390x.rpm samba-dc-libs-4.9.1-11.el7_7.s390x.rpm samba-debuginfo-4.9.1-11.el7_7.s390.rpm samba-debuginfo-4.9.1-11.el7_7.s390x.rpm samba-devel-4.9.1-11.el7_7.s390.rpm samba-devel-4.9.1-11.el7_7.s390x.rpm samba-python-4.9.1-11.el7_7.s390.rpm samba-python-4.9.1-11.el7_7.s390x.rpm samba-python-test-4.9.1-11.el7_7.s390x.rpm samba-test-4.9.1-11.el7_7.s390x.rpm samba-test-libs-4.9.1-11.el7_7.s390.rpm samba-test-libs-4.9.1-11.el7_7.s390x.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.s390x.rpm x86_64: libsmbclient-devel-4.9.1-11.el7_7.i686.rpm libsmbclient-devel-4.9.1-11.el7_7.x86_64.rpm libwbclient-devel-4.9.1-11.el7_7.i686.rpm libwbclient-devel-4.9.1-11.el7_7.x86_64.rpm samba-dc-4.9.1-11.el7_7.x86_64.rpm samba-dc-libs-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-devel-4.9.1-11.el7_7.i686.rpm samba-devel-4.9.1-11.el7_7.x86_64.rpm samba-python-test-4.9.1-11.el7_7.x86_64.rpm samba-test-4.9.1-11.el7_7.x86_64.rpm samba-test-libs-4.9.1-11.el7_7.i686.rpm samba-test-libs-4.9.1-11.el7_7.x86_64.rpm samba-vfs-glusterfs-4.9.1-11.el7_7.x86_64.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): noarch: samba-pidl-4.9.1-11.el7_7.noarch.rpm ppc64le: libsmbclient-devel-4.9.1-11.el7_7.ppc64le.rpm libwbclient-devel-4.9.1-11.el7_7.ppc64le.rpm samba-dc-4.9.1-11.el7_7.ppc64le.rpm samba-dc-libs-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-devel-4.9.1-11.el7_7.ppc64le.rpm samba-python-4.9.1-11.el7_7.ppc64le.rpm samba-test-4.9.1-11.el7_7.ppc64le.rpm samba-test-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.ppc64le.rpm x86_64: libsmbclient-devel-4.9.1-11.el7_7.i686.rpm libsmbclient-devel-4.9.1-11.el7_7.x86_64.rpm libwbclient-devel-4.9.1-11.el7_7.i686.rpm libwbclient-devel-4.9.1-11.el7_7.x86_64.rpm samba-dc-4.9.1-11.el7_7.x86_64.rpm samba-dc-libs-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-devel-4.9.1-11.el7_7.i686.rpm samba-devel-4.9.1-11.el7_7.x86_64.rpm samba-test-4.9.1-11.el7_7.x86_64.rpm samba-test-libs-4.9.1-11.el7_7.i686.rpm samba-test-libs-4.9.1-11.el7_7.x86_64.rpm samba-vfs-glusterfs-4.9.1-11.el7_7.x86_64.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): noarch: samba-pidl-4.9.1-11.el7_7.noarch.rpm ppc64: libsmbclient-devel-4.9.1-11.el7_7.ppc.rpm libsmbclient-devel-4.9.1-11.el7_7.ppc64.rpm libwbclient-devel-4.9.1-11.el7_7.ppc.rpm libwbclient-devel-4.9.1-11.el7_7.ppc64.rpm samba-dc-4.9.1-11.el7_7.ppc64.rpm samba-dc-libs-4.9.1-11.el7_7.ppc64.rpm samba-debuginfo-4.9.1-11.el7_7.ppc.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm samba-devel-4.9.1-11.el7_7.ppc.rpm samba-devel-4.9.1-11.el7_7.ppc64.rpm samba-python-4.9.1-11.el7_7.ppc.rpm samba-python-4.9.1-11.el7_7.ppc64.rpm samba-python-test-4.9.1-11.el7_7.ppc64.rpm samba-test-4.9.1-11.el7_7.ppc64.rpm samba-test-libs-4.9.1-11.el7_7.ppc.rpm samba-test-libs-4.9.1-11.el7_7.ppc64.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.ppc64.rpm ppc64le: libsmbclient-devel-4.9.1-11.el7_7.ppc64le.rpm libwbclient-devel-4.9.1-11.el7_7.ppc64le.rpm samba-dc-4.9.1-11.el7_7.ppc64le.rpm samba-dc-libs-4.9.1-11.el7_7.ppc64le.rpm samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm samba-devel-4.9.1-11.el7_7.ppc64le.rpm samba-python-4.9.1-11.el7_7.ppc64le.rpm samba-python-test-4.9.1-11.el7_7.ppc64le.rpm samba-test-4.9.1-11.el7_7.ppc64le.rpm samba-test-libs-4.9.1-11.el7_7.ppc64le.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.ppc64le.rpm s390x: libsmbclient-devel-4.9.1-11.el7_7.s390.rpm libsmbclient-devel-4.9.1-11.el7_7.s390x.rpm libwbclient-devel-4.9.1-11.el7_7.s390.rpm libwbclient-devel-4.9.1-11.el7_7.s390x.rpm samba-dc-4.9.1-11.el7_7.s390x.rpm samba-dc-libs-4.9.1-11.el7_7.s390x.rpm samba-debuginfo-4.9.1-11.el7_7.s390.rpm samba-debuginfo-4.9.1-11.el7_7.s390x.rpm samba-devel-4.9.1-11.el7_7.s390.rpm samba-devel-4.9.1-11.el7_7.s390x.rpm samba-python-4.9.1-11.el7_7.s390.rpm samba-python-4.9.1-11.el7_7.s390x.rpm samba-python-test-4.9.1-11.el7_7.s390x.rpm samba-test-4.9.1-11.el7_7.s390x.rpm samba-test-libs-4.9.1-11.el7_7.s390.rpm samba-test-libs-4.9.1-11.el7_7.s390x.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.s390x.rpm x86_64: libsmbclient-devel-4.9.1-11.el7_7.i686.rpm libsmbclient-devel-4.9.1-11.el7_7.x86_64.rpm libwbclient-devel-4.9.1-11.el7_7.i686.rpm libwbclient-devel-4.9.1-11.el7_7.x86_64.rpm samba-dc-4.9.1-11.el7_7.x86_64.rpm samba-dc-libs-4.9.1-11.el7_7.x86_64.rpm samba-debuginfo-4.9.1-11.el7_7.i686.rpm samba-debuginfo-4.9.1-11.el7_7.x86_64.rpm samba-devel-4.9.1-11.el7_7.i686.rpm samba-devel-4.9.1-11.el7_7.x86_64.rpm samba-python-test-4.9.1-11.el7_7.x86_64.rpm samba-test-4.9.1-11.el7_7.x86_64.rpm samba-test-libs-4.9.1-11.el7_7.i686.rpm samba-test-libs-4.9.1-11.el7_7.x86_64.rpm samba-vfs-glusterfs-4.9.1-11.el7_7.x86_64.rpm samba-winbind-krb5-locator-4.9.1-11.el7_7.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-2021-20254 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 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYXew2NzjgjWX9erEAQih0Q//Zr3Uk+8ujftqzNFFD3303w9tateMWjAG r6RBUpc0URo8s9Hu6xbhSe+PGZWSQA+0vsk6YRtYA3o72kHICmyllCv6Ab/7JIea bXxHtYRZaD/mWXPTBSh4CcHCPh5kSb5m79WRLPCCJXSPjS3TXl831jWCwTHO0z00 Hev5xR2iJRL3kYhKav5cZpKh0VuxMWn4zJuIui5eqI2Q600cFVjVrVdvL7BPkI1t 2+wj8hC/shSPNHtTpzFJtRRPw3TEWoiEva9mWPO5m0n5/nygB1EvThKbGyRuLO9V IDCWMPlikA1CB5pbyFU55yxr5xKW0SdDusIpFglxUpg6DkKMrPUOpj8JaBSZx75k MBszrlYcJQ0zBubpnREWy4IsTZHSCQlLmuNqwO6BKXdAPIwbXeI76QcyDg2itjoo aFsr8KrnxYmSPq29vfoDcolApCGJFz7/8gAyJm/ahGFezvvgWcQoFruYlnk6qIWw +NGVdRktoVLj7G5Qj3KmHrIhJh/h/ZLOjPBeCnBMt2l1SNufPOxPgUabY6YyJeap SASZWMw6VGQXCRQCYlaYDyS/gArGT7XYdFi2Bat4+z6ULStJVQrnwdo2+itO+btF KNeaTbqsoUrbE2I9Ts86cAU1N9z614W9pbw2qlvnsmXqAP67vkKoYced/+OX9ENj JSwO6SSyR2I=VHK1 -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. 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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.
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: Negative idmap cache entries can cause incorrect group entries in
the Samba file server process token (CVE-2021-20254)
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.
https://access.redhat.com/security/cve/CVE-2021-20254 https://access.redhat.com/security/updates/classification/#moderate
Red Hat Enterprise Linux Server AUS (v. 7.7):
Source:
samba-4.9.1-11.el7_7.src.rpm
noarch:
samba-common-4.9.1-11.el7_7.noarch.rpm
ppc64:
libsmbclient-4.9.1-11.el7_7.ppc.rpm
libsmbclient-4.9.1-11.el7_7.ppc64.rpm
libwbclient-4.9.1-11.el7_7.ppc.rpm
libwbclient-4.9.1-11.el7_7.ppc64.rpm
samba-4.9.1-11.el7_7.ppc64.rpm
samba-client-4.9.1-11.el7_7.ppc64.rpm
samba-client-libs-4.9.1-11.el7_7.ppc.rpm
samba-client-libs-4.9.1-11.el7_7.ppc64.rpm
samba-common-libs-4.9.1-11.el7_7.ppc64.rpm
samba-common-tools-4.9.1-11.el7_7.ppc64.rpm
samba-debuginfo-4.9.1-11.el7_7.ppc.rpm
samba-debuginfo-4.9.1-11.el7_7.ppc64.rpm
samba-krb5-printing-4.9.1-11.el7_7.ppc64.rpm
samba-libs-4.9.1-11.el7_7.ppc.rpm
samba-libs-4.9.1-11.el7_7.ppc64.rpm
samba-winbind-4.9.1-11.el7_7.ppc64.rpm
samba-winbind-clients-4.9.1-11.el7_7.ppc64.rpm
samba-winbind-modules-4.9.1-11.el7_7.ppc.rpm
samba-winbind-modules-4.9.1-11.el7_7.ppc64.rpm
ppc64le:
libsmbclient-4.9.1-11.el7_7.ppc64le.rpm
libwbclient-4.9.1-11.el7_7.ppc64le.rpm
samba-4.9.1-11.el7_7.ppc64le.rpm
samba-client-4.9.1-11.el7_7.ppc64le.rpm
samba-client-libs-4.9.1-11.el7_7.ppc64le.rpm
samba-common-libs-4.9.1-11.el7_7.ppc64le.rpm
samba-common-tools-4.9.1-11.el7_7.ppc64le.rpm
samba-debuginfo-4.9.1-11.el7_7.ppc64le.rpm
samba-krb5-printing-4.9.1-11.el7_7.ppc64le.rpm
Read the Full Advisory
An update for samba is now available for Red Hat Enterprise Linux 7.7Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.7 Update Services for SAPSolutions.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.
Red Hat Enterprise Linux Server AUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
1949442 - CVE-2021-20254 samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token
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