SUSE Security Update: Security update for runc
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Announcement ID:    SUSE-SU-2021:4171-1
Rating:             moderate
References:         #1193436 
Cross-References:   CVE-2021-43784
CVSS scores:
                    CVE-2021-43784 (NVD) : 6 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Affected Products:
                    SUSE MicroOS 5.1
                    SUSE MicroOS 5.0
                    SUSE Linux Enterprise Module for Containers 15-SP3
                    SUSE Linux Enterprise Module for Containers 15-SP2
                    SUSE Enterprise Storage 7
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   An update that fixes one vulnerability is now available.

Description:

   This update for runc fixes the following issues:

   Update to runc v1.0.3.

   * CVE-2021-43784: Fixed a potential vulnerability related to the internal
     usage
     of netlink, which is believed to not be exploitable with any released
      versions of runc (bsc#1193436)
   * Fixed inability to start a container with read-write bind mount of a
     read-only fuse host mount.
   * Fixed inability to start when read-only /dev in set in spec.
   * Fixed not removing sub-cgroups upon container delete, when rootless
     cgroup v2 is used with older systemd.
   * Fixed returning error from GetStats when hugetlb is unsupported (which
     causes excessive logging for kubernetes).


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 MicroOS 5.1:

      zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-4171=1

   - SUSE MicroOS 5.0:

      zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-4171=1

   - SUSE Linux Enterprise Module for Containers 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Containers-15-SP3-2021-4171=1

   - SUSE Linux Enterprise Module for Containers 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Containers-15-SP2-2021-4171=1

   - SUSE Enterprise Storage 7:

      zypper in -t patch SUSE-Storage-7-2021-4171=1



Package List:

   - SUSE MicroOS 5.1 (aarch64 s390x x86_64):

      runc-1.0.3-27.1
      runc-debuginfo-1.0.3-27.1

   - SUSE MicroOS 5.0 (aarch64 x86_64):

      runc-1.0.3-27.1
      runc-debuginfo-1.0.3-27.1

   - SUSE Linux Enterprise Module for Containers 15-SP3 (aarch64 ppc64le s390x x86_64):

      runc-1.0.3-27.1
      runc-debuginfo-1.0.3-27.1

   - SUSE Linux Enterprise Module for Containers 15-SP2 (aarch64 ppc64le s390x x86_64):

      runc-1.0.3-27.1
      runc-debuginfo-1.0.3-27.1

   - SUSE Enterprise Storage 7 (aarch64 x86_64):

      runc-1.0.3-27.1
      runc-debuginfo-1.0.3-27.1


References:

   https://www.suse.com/security/cve/CVE-2021-43784.html
   https://bugzilla.suse.com/1193436