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SUSE: 2023:4510-1 Important: Ucode-Intel CPU Privilege Escalation Fix

* bsc#1215278 Cross-References: * CVE-2023-23583 . # Security update for ucode-intel Announcement ID: SUSE-SU-2023:4510-1 Rating: important References: * bsc#1215278 Cross-References: * CVE-2023-23583 CVSS scores: * CVE-2023-23583 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Affected Products: * SUSE CaaS Platform 4.0 * SUSE Linux Enterprise High Performance Computing 15 SP1 * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 * SUSE Linux Enterprise Server 15 SP1 * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 * SUSE Linux Enterprise Server for SAP Applications 15 SP1 An update that solves one vulnerability can now be installed. ## Description: This update for ucode-intel fixes the following issues: * Updated to Intel CPU Microcode 20231114 release. (bsc#1215278) * CVE-2023-23583: Fixed potential CPU deadlocks or privilege escalation. (bsc#1215278) ## Special Instructions and Notes: * Please reboot the system after installing this update. ## 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 High Performance Computing 15 SP1 LTSS 15-SP1 zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4510=1 * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-4510=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP1 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-4510=1 * SUSE CaaS Platform 4.0 To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way. ## Package List: * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64) * ucode-intel-20231114-150100.3.231.1 * SUSE Linux EnterpriseServer 15 SP1 LTSS 15-SP1 (x86_64) * ucode-intel-20231114-150100.3.231.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64) * ucode-intel-20231114-150100.3.231.1 * SUSE CaaS Platform 4.0 (x86_64) * ucode-intel-20231114-150100.3.231.1 ## References: * https://www.suse.com/security/cve/CVE-2023-23583.html * https://bugzilla.suse.com/show_bug.cgi?id=1215278 . Crucial announcement regarding ucode-intel addresses CPU hangs and security risks in SUSE offerings. Please adhere to the provided installation guidelines.. SUSE Security Update,Ucode-Intel Update,CPU Privilege Escalation. . Severity: Important. LinuxSecurity.com Team

Nov 21, 2023 •Important SuSE