SUSE Security Update: Security update for samba
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1438-1
Rating:             important
References:         #1178469 #1179156 #1184677 
Cross-References:   CVE-2021-20254
CVSS scores:
                    CVE-2021-20254 (SUSE): 7.1
 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
                    SUSE Linux Enterprise High Availability 12-SP5
______________________________________________________________________________

   An update that solves one vulnerability and has two fixes
   is now available.

Description:

   This update for samba fixes the following issues:

   - CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids()
     (bsc#1184677).
   - Avoid free'ing our own pointer in memcache when memcache_trim attempts
     to reduce cache size (bsc#1179156).
   - Adjust smbcacls '--propagate-inheritance' feature to align with
 upstream
     (bsc#1178469).


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation
 methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 12-SP5:

      zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1438=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1438=1

   - SUSE Linux Enterprise High Availability 12-SP5:

      zypper in -t patch SUSE-SLE-HA-12-SP5-2021-1438=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le
 s390x x86_64):

      libndr-devel-4.10.18+git.269.dd608524c88-3.27.1
      libndr-krb5pac-devel-4.10.18+git.269.dd608524c88-3.27.1
      libndr-nbt-devel-4.10.18+git.269.dd608524c88-3.27.1
      libndr-standard-devel-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-util-devel-4.10.18+git.269.dd608524c88-3.27.1
      libsmbclient-devel-4.10.18+git.269.dd608524c88-3.27.1
      libwbclient-devel-4.10.18+git.269.dd608524c88-3.27.1
      samba-core-devel-4.10.18+git.269.dd608524c88-3.27.1
      samba-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-debugsource-4.10.18+git.269.dd608524c88-3.27.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      libdcerpc-binding0-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc-binding0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc0-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libndr-krb5pac0-4.10.18+git.269.dd608524c88-3.27.1
      libndr-krb5pac0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libndr-nbt0-4.10.18+git.269.dd608524c88-3.27.1
      libndr-nbt0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libndr-standard0-4.10.18+git.269.dd608524c88-3.27.1
      libndr-standard0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libndr0-4.10.18+git.269.dd608524c88-3.27.1
      libndr0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libnetapi0-4.10.18+git.269.dd608524c88-3.27.1
      libnetapi0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-credentials0-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-credentials0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-errors0-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-errors0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-hostconfig0-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-hostconfig0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-passdb0-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-passdb0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-util0-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-util0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsamdb0-4.10.18+git.269.dd608524c88-3.27.1
      libsamdb0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsmbclient0-4.10.18+git.269.dd608524c88-3.27.1
      libsmbclient0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsmbconf0-4.10.18+git.269.dd608524c88-3.27.1
      libsmbconf0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libsmbldap2-4.10.18+git.269.dd608524c88-3.27.1
      libsmbldap2-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libtevent-util0-4.10.18+git.269.dd608524c88-3.27.1
      libtevent-util0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      libwbclient0-4.10.18+git.269.dd608524c88-3.27.1
      libwbclient0-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-4.10.18+git.269.dd608524c88-3.27.1
      samba-client-4.10.18+git.269.dd608524c88-3.27.1
      samba-client-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-debugsource-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-python3-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-python3-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-winbind-4.10.18+git.269.dd608524c88-3.27.1
      samba-winbind-debuginfo-4.10.18+git.269.dd608524c88-3.27.1

   - SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):

      libdcerpc-binding0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc-binding0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libdcerpc0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-krb5pac0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-krb5pac0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-nbt0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-nbt0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-standard0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr-standard0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libndr0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libnetapi0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libnetapi0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-credentials0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-credentials0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-errors0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-errors0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-hostconfig0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-hostconfig0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-passdb0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-passdb0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-util0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamba-util0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamdb0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsamdb0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbclient0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbclient0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbconf0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbconf0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbldap2-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libsmbldap2-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libtevent-util0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libtevent-util0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libwbclient0-32bit-4.10.18+git.269.dd608524c88-3.27.1
      libwbclient0-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-client-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-client-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-python3-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-libs-python3-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-winbind-32bit-4.10.18+git.269.dd608524c88-3.27.1
      samba-winbind-debuginfo-32bit-4.10.18+git.269.dd608524c88-3.27.1

   - SUSE Linux Enterprise Server 12-SP5 (noarch):

      samba-doc-4.10.18+git.269.dd608524c88-3.27.1

   - SUSE Linux Enterprise High Availability 12-SP5 (ppc64le s390x x86_64):

      ctdb-4.10.18+git.269.dd608524c88-3.27.1
      ctdb-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-debuginfo-4.10.18+git.269.dd608524c88-3.27.1
      samba-debugsource-4.10.18+git.269.dd608524c88-3.27.1


References:

   https://www.suse.com/security/cve/CVE-2021-20254.html
   https://bugzilla.suse.com/1178469
   https://bugzilla.suse.com/1179156
   https://bugzilla.suse.com/1184677