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SUSE Linux Micro 6.0 Kernel Important Security Advisory 2026-21622-1

An update that solves two vulnerabilities can now be installed. . # Security update for the Linux Kernel Announcement ID: SUSE-SU-2026:21622-1 Release Date: 2026-05-11T09:32:02Z Rating: important References: * bsc#1264449 * bsc#1264450 Cross-References: * CVE-2026-43284 * CVE-2026-43500 CVSS scores: * CVE-2026-43284 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43284 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43500 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.0 An update that solves two vulnerabilities can now be installed. ## Description: The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix the following issues: * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449). * CVE-2026-43500: rxrpc: unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450). ## 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-kernel-397=1 ## Package List: * SUSE Linux Micro 6.0 (noarch) * kernel-devel-rt-6.4.0-43.1 * kernel-source-rt-6.4.0-43.1 * SUSE Linux Micro 6.0 (nosrc x86_64) * kernel-rt-6.4.0-43.1 * SUSE Linux Micro 6.0 (x86_64) * kernel-rt-debuginfo-6.4.0-43.1 * kernel-rt-debugsource-6.4.0-43.1 * kernel-rt-livepatch-6.4.0-43.1 ##References: * https://www.suse.com/security/cve/CVE-2026-43284.html * https://www.suse.com/security/cve/CVE-2026-43500.html * https://bugzilla.suse.com/show_bug.cgi?id=1264449 * https://bugzilla.suse.com/show_bug.cgi?id=1264450 . SUSE Linux Micro 6.0 kernel patch addresses important issues with data handling and security updates.. SUSE Linux Micro, kernel update, important security advisory. . Severity: Important. LinuxSecurity.com Team

May 15, 2026 •Important SuSE