Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)

Announcement ID: SUSE-SU-2023:3153-1
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-2023-33952 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2023-33952 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/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 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_11 fixes several issues.

The following security issues were fixed:

    • CVE-2023-33952: Fixed a vmwgfx Driver Double Free Local Privilege Escalation Vulnerability (bsc#1212348).
  • 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 15.5
    zypper in -t patch SUSE-2023-3153=1
  • SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3153=1

Package List:

  • openSUSE Leap 15.5 (x86_64)
    • kernel-livepatch-5_14_21-150500_11-rt-debuginfo-2-150500.3.1
    • kernel-livepatch-5_14_21-150500_11-rt-2-150500.3.1
    • kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-2-150500.3.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
    • kernel-livepatch-5_14_21-150500_11-rt-debuginfo-2-150500.3.1
    • kernel-livepatch-5_14_21-150500_11-rt-2-150500.3.1
    • kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-2-150500.3.1

References: