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SUSE Linux Micro: 2025:20705-1 Kernel-Livepatch Moderate Update

* bsc#1236207 * bsc#1242579 * bsc#1244235 * bsc#1245505 * bsc#1245775 . # Security update for kernel-livepatch-MICRO-6-0-RT_Update_5 Announcement ID: SUSE-SU-2025:20705-1 Release Date: 2025-09-11T15:44:56Z Rating: moderate References: * bsc#1236207 * bsc#1242579 * bsc#1244235 * bsc#1245505 * bsc#1245775 * bsc#1245791 * bsc#1245805 * bsc#1246030 * bsc#1248108 Cross-References: * CVE-2025-21659 * CVE-2025-21701 * CVE-2025-21999 * CVE-2025-37890 * CVE-2025-38000 * CVE-2025-38001 * CVE-2025-38087 * CVE-2025-38212 CVSS scores: * CVE-2025-21659 ( SUSE ): 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2025-21659 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N * CVE-2025-21701 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-21999 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2025-21999 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-21999 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-37890 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38000 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-38000 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38001 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-38001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38087 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-38087 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38212 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-38212 ( SUSE ): 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 eight vulnerabilities and has one fix can now be installed. ##Description: This update for kernel-livepatch-MICRO-6-0-RT_Update_5 fixes the following issues: * CVE-2025-38087: net/sched: fix use-after-free in taprio_dev_notifier (bsc#1245505) * CVE-2025-21999: proc: fix UAF in proc_get_inode() (bsc#1242579) * CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (bsc#1244235) * CVE-2025-21659: netdev: prevent accessing NAPI instances from another namespace (bsc#1236207) * CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (bsc#1245775) * CVE-2025-37890: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (bsc#1245791) * CVE-2025-21701: net: avoid race between device unregistration and ethnl ops (bsc#1245805) * CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030) ## 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-111=1 ## Package List: * SUSE Linux Micro 6.0 (x86_64) * kernel-livepatch-MICRO-6-0-RT_Update_5-debugsource-7-1.1 * kernel-livepatch-6_4_0-25-rt-7-1.1 * kernel-livepatch-6_4_0-25-rt-debuginfo-7-1.1 ## References: * https://www.suse.com/security/cve/CVE-2025-21659.html * https://www.suse.com/security/cve/CVE-2025-21701.html * https://www.suse.com/security/cve/CVE-2025-21999.html * https://www.suse.com/security/cve/CVE-2025-37890.html * https://www.suse.com/security/cve/CVE-2025-38000.html * https://www.suse.com/security/cve/CVE-2025-38001.html * https://www.suse.com/security/cve/CVE-2025-38087.html * https://www.suse.com/security/cve/CVE-2025-38212.html * https://bugzilla.suse.com/show_bug.cgi?id=1236207 * https://bugzilla.suse.com/show_bug.cgi?id=1242579 * https://bugzilla.suse.com/show_bug.cgi?id=1244235 *https://bugzilla.suse.com/show_bug.cgi?id=1245505 * https://bugzilla.suse.com/show_bug.cgi?id=1245775 * https://bugzilla.suse.com/show_bug.cgi?id=1245791 * https://bugzilla.suse.com/show_bug.cgi?id=1245805 * https://bugzilla.suse.com/show_bug.cgi?id=1246030 * https://bugzilla.suse.com/show_bug.cgi?id=1248108 . The Red Hat patch for kernel-hotfix-MICRO-7-0-RT_Update_8 highlights critical resolutions for recognized problems and security risks.. SUSE Linux Micro, kernel livepatch, security update. . LinuxSecurity.com Team

Sep 17, 2025 SuSE