Security update for runc

Announcement ID: SUSE-SU-2023:1726-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-25809 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
  • CVE-2023-25809 ( NVD ): 5.0 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
  • CVE-2023-27561 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-27561 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-28642 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • CVE-2023-28642 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected Products:
  • Containers Module 12
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise High Performance Computing 12 SP4
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves three vulnerabilities and has one security fix can now be installed.

Description:

This update for runc fixes the following issues:

Update to runc v1.1.5:

Security fixes:

  • CVE-2023-25809: Fixed rootless /sys/fs/cgroup is writable when cgroupns isn't unshared (bnc#1209884).
  • CVE-2023-27561: Fixed regression that reintroduced CVE-2019-19921 vulnerability (bnc#1208962).
  • CVE-2023-28642: Fixed AppArmor/SELinux bypass with symlinked /proc (bnc#1209888).

Other fixes:

  • Fix the inability to use /dev/null when inside a container.
  • Fix changing the ownership of host's /dev/null caused by fd redirection (bsc#1168481).
  • Fix rare runc exec/enter unshare error on older kernels.
  • nsexec: Check for errors in write_log().
  • Drop version-specific Go requirement.

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 12
    zypper in -t patch SUSE-SLE-Module-Containers-12-2023-1726=1

Package List:

  • Containers Module 12 (ppc64le s390x x86_64)
    • runc-1.1.5-16.29.1
    • runc-debuginfo-1.1.5-16.29.1

References: