Security update for runc

Announcement ID: SUSE-SU-2021:4171-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2021-43784 ( NVD ): 6.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Affected Products:
  • Containers Module 15-SP2
  • Containers Module 15-SP3
  • SUSE Enterprise Storage 7
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP3
  • SUSE Linux Enterprise Micro 5.0
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Real Time 15 SP3
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server 15 SP3 Business Critical Linux 15-SP3
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP3
  • SUSE Manager Proxy 4.1
  • SUSE Manager Proxy 4.2
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Retail Branch Server 4.2
  • SUSE Manager Server 4.1
  • SUSE Manager Server 4.2

An update that solves one vulnerability can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Containers Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP2-2021-4171=1
  • Containers Module 15-SP3
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP3-2021-4171=1
  • SUSE Enterprise Storage 7
    zypper in -t patch SUSE-Storage-7-2021-4171=1
  • SUSE Linux Enterprise Micro 5.0
    zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-4171=1
  • SUSE Linux Enterprise Micro 5.1
    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-4171=1

Package List:

  • Containers Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • runc-1.0.3-27.1
    • runc-debuginfo-1.0.3-27.1
  • Containers Module 15-SP3 (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
  • SUSE Linux Enterprise Micro 5.0 (aarch64 x86_64)
    • runc-1.0.3-27.1
    • runc-debuginfo-1.0.3-27.1
  • SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
    • runc-1.0.3-27.1
    • runc-debuginfo-1.0.3-27.1

References: