Security update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)

Announcement ID: SUSE-SU-2023:2369-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-0386 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-0386 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1989 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1989 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-2162 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-2162 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-23454 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-23454 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-28464 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-28464 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise Live Patching 15-SP4
  • SUSE Linux Enterprise Micro 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Real Time 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves six vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_15_18 fixes several issues.

The following security issues were fixed:

  • CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111).
  • CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).
  • CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).
  • CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683).
  • CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).
  • CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).

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:

  • SUSE Linux Enterprise Live Patching 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-2369=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
    • kernel-livepatch-SLE15-SP4-RT_Update_5-debugsource-3-150400.2.2
    • kernel-livepatch-5_14_21-150400_15_18-rt-debuginfo-3-150400.2.2
    • kernel-livepatch-5_14_21-150400_15_18-rt-3-150400.2.2

References: