# Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4) Announcement ID: SUSE-SU-2023:3079-1 Rating: important References: * #1210566 * #1210987 * #1212509 Cross-References: * CVE-2023-2002 * CVE-2023-2235 * CVE-2023-35788 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 Important 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_18-default-debuginfo-13-150400.2.2 * kernel-livepatch-5_14_21-150400_24_38-default-debuginfo-8-150400.2.2 * kernel-livepatch-5_14_21-150400_24_18-default-13-150400.2.2 * kernel-livepatch-5_14_21-150400_24_38-default-8-150400.2.2 * kernel-livepatch-SLE15-SP4_Update_6-debugsource-8-150400.2.2 * kernel-livepatch-SLE15-SP4_Update_2-debugsource-13-150400.2.2 * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) * 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-5_14_21-150400_24_18-default-13-150400.2.2 * kernel-livepatch-5_14_21-150400_24_38-default-8-150400.2.2 * kernel-livepatch-SLE15-SP4_Update_6-debugsource-8-150400.2.2 * kernel-livepatch-SLE15-SP4_Update_2-debugsource-13-150400.2.2 ## References: * https://www.suse.com/security/cve/CVE-2023-2002.html * https://www.suse.com/security/cve/CVE-2023-2235.html * https://www.suse.com/security/cve/CVE-2023-35788.html * https://bugzilla.suse.com/show_bug.cgi?id=1210566 * https://bugzilla.suse.com/show_bug.cgi?id=1210987 * https://bugzilla.suse.com/show_bug.cgi?id=1212509