# Security update for netty, netty-tcnative Announcement ID: SUSE-SU-2023:4163-1 Rating: important References: * bsc#1216169 Cross-References: * CVE-2023-44487 CVSS scores: * CVE-2023-44487 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-44487 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: * Development Tools Module 15-SP4 * Development Tools Module 15-SP5 * openSUSE Leap 15.4 * openSUSE Leap 15.5 * SUSE Enterprise Storage 7.1 * SUSE Linux Enterprise Desktop 15 SP4 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP2 * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP2 * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP2 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3 * SUSE Package Hub 15 15-SP5 An update that solves one vulnerability can now be installed. ## Description: This update for netty, netty-tcnative fixes the following issues: * Updated netty to version 4.1.100: * CVE-2023-44487: Fixed a potential denial of service scenario via RST frame floods (bsc#1216169). * Updated netty-tcnative to version 2.0.62 Final. ## 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: * Development Tools Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-4163=1 * Development Tools Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-4163=1 * SUSE Package Hub 15 15-SP5 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-4163=1 * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2023-4163=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-4163=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2023-4163=1 * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2023-4163=1 * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-4163=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP2 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2023-4163=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2023-4163=1 * SUSE Enterprise Storage 7.1 zypper in -t patch SUSE-Storage-7.1-2023-4163=1 * openSUSE Leap 15.4 zypper in -t patch openSUSE-SLE-15.4-2023-4163=1 * openSUSE Leap 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-4163=1 ## Package List: * Development Tools Module 15-SP4 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64) * netty-4.1.100-150200.4.20.1 * SUSE Package Hub 15 15-SP5 (noarch) * netty-javadoc-4.1.100-150200.4.20.1 * netty-poms-4.1.100-150200.4.20.1 * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64 x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 (aarch64 x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64 x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * SUSE Enterprise Storage 7.1 (aarch64 x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * netty-4.1.100-150200.4.20.1 * openSUSE Leap 15.4 (noarch) * netty-javadoc-4.1.100-150200.4.20.1 * netty-tcnative-javadoc-2.0.62-150200.3.16.1 * netty-poms-4.1.100-150200.4.20.1 * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.62-150200.3.16.1 * netty-4.1.100-150200.4.20.1 * openSUSE Leap 15.5 (noarch) * netty-javadoc-4.1.100-150200.4.20.1 * netty-tcnative-javadoc-2.0.62-150200.3.16.1 * netty-poms-4.1.100-150200.4.20.1 ## References: * https://www.suse.com/security/cve/CVE-2023-44487.html * https://bugzilla.suse.com/show_bug.cgi?id=1216169