Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4)

Announcement ID: SUSE-SU-2023:3079-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-2002 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-2002 ( NVD ): 6.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
  • CVE-2023-2235 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-2235 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-35788 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
  • CVE-2023-35788 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.4
  • 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 three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_24_18 fixes several issues.

The following security issues were fixed:

  • CVE-2023-35788: Fixed an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets in fl_set_geneve_opt in net/sched/cls_flower.c (bsc#1212509).
  • CVE-2023-2235: Fixed an use-after-free in the Performance Events system can be exploited to achieve local privilege escalation (bsc#1210987).
  • CVE-2023-2002: Fixed a flaw that allowed an attacker to unauthorized execution of management commands, compromising the confidentiality, integrity, and availability of Bluetooth communication (bsc#1210566).

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:

  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2023-3079=1 SUSE-2023-3080=1
  • SUSE Linux Enterprise Live Patching 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3079=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-3080=1

Package List:

  • openSUSE Leap 15.4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_24_38-default-8-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_18-default-13-150400.2.2
    • kernel-livepatch-SLE15-SP4_Update_2-debugsource-13-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_18-default-debuginfo-13-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_38-default-debuginfo-8-150400.2.2
    • kernel-livepatch-SLE15-SP4_Update_6-debugsource-8-150400.2.2
  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_24_38-default-8-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_18-default-13-150400.2.2
    • kernel-livepatch-SLE15-SP4_Update_2-debugsource-13-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_18-default-debuginfo-13-150400.2.2
    • kernel-livepatch-5_14_21-150400_24_38-default-debuginfo-8-150400.2.2
    • kernel-livepatch-SLE15-SP4_Update_6-debugsource-8-150400.2.2

References: