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openSUSE 15.6: Kernel Important Security Update Advisory 2025:4128

Linuxsecurity •LinuxSecurity Advisories • November 18, 2025

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to fix various security issues The following security issues were fixed: * CVE-2025-38008: mm/page_alloc: fix race condition in unaccepted memory handling (bsc#1244939). * CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister notifier (bsc#1248211). * CVE-2025-38552: mptcp: plug races between subflow fail and subflow creation (bsc#1248230). * CVE-2025-38653: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al (bsc#1248630). * CVE-2025-38699: scsi: bfa: Double-free fix (bsc#1249224). * CVE-2025-38700: scsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated (bsc#1249182). * CVE-2025-38718: sctp: linearize cloned gso packets in sctp_rcv (bsc#1249161). * CVE-2025-39673: ppp: fix race conditions in ppp_fill_forward_path (bsc#1249320). * CVE-2025-39676: scsi: qla4xxx: Prevent a potential error pointer dereference

## 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: * openSUSE Leap 15.6 zypper in -t patch SUSE-2025-4128=1 openSUSE-SLE-15.6-2025-4128=1 * Public Cloud Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP6-2025-4128=1

* openSUSE Leap 15.6 (noarch) * kernel-source-azure-6.4.0-150600.8.55.1 * kernel-devel-azure-6.4.0-150600.8.55.1 * openSUSE Leap 15.6 (aarch64 x86_64) * gfs2-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * kselftests-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * kernel-syms-azure-6.4.0-150600.8.55.1 * ocfs2-kmp-azure-6.4.0-150600.8.55.1 * kselftests-kmp-azure-6.4.0-150600.8.55.1 * kernel-azure-extra-6.4.0-150600.8.55.1 * kernel-azure-devel-debuginfo-6.4.0-150600.8.55.1 * reiserfs-kmp-azure-6.4.0-150600.8.55.1 * reiserfs-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * dlm-kmp-azure-6.4.0-150600.8.55.1 * gfs2-kmp-azure-6.4.0-150600.8.55.1 * kernel-azure-optional-debuginfo-6.4.0-150600.8.55.1 * kernel-azure-debuginfo-6.4.0-150600.8.55.1 * cluster-md-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * kernel-azure-devel-6.4.0-150600.8.55.1 * ocfs2-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * cluster-md-kmp-azure-6.4.0-150600.8.55.1 * kernel-azure-optional-6.4.0-150600.8.55.1 * dlm-kmp-azure-debuginfo-6.4.0-150600.8.55.1 * kernel-azure-debugsource-6.4.0-150600.8.55.1 * kernel-azure-extra-debuginfo-6.4.0-150600.8.55.1 * openSUSE Leap 15.6 (aarch64 nosrc x86_64) * kernel-azure-6.4.0-150600.8.55.1 * openSUSE Leap 15.6 (x86_64) * kernel-azure-vdso-debuginfo-6.4.0-150600.8.55.1 * kernel-azure-vdso-6.4.0-150600.8.55.1 * Public Cloud Module 15-SP6 (aarch64 nosrc x86_64) * kernel-azure-6.4.0-150600.8.55.1 * Public Cloud Module 15-SP6 (aarch64 x86_64) * kernel-azure-devel-6.4.0-150600.8.55.1 * kernel-azure-devel-debuginfo-6.4.0-150600.8.55.1 * kernel-azure-debugsource-6.4.0-150600.8.55.1 * kernel-syms-azure-6.4.0-150600.8.55.1 * kernel-azure-debuginfo-6.4.0-150600.8.55.1 * Public Cloud Module 15-SP6 (noarch) * kernel-source-azure-6.4.0-150600.8.55.1 * kernel-devel-azure-6.4.0-150600.8.55.1

* bsc#1012628 * bsc#1214954 * bsc#1215143 * bsc#1215199 * bsc#1216396 * bsc#1220419 * bsc#1239206 * bsc#1244939 * bsc#1248211 * bsc#1248230 * bsc#1248517 * bsc#1248630 * bsc#1248754 * bsc#1248886 * bsc#1249161 * bsc#1249182 * bsc#1249224 * bsc#1249286 * bsc#1249302 * bsc#1249317 * bsc#1249319 * bsc#1249320 * bsc#1249512 * bsc#1249595 * bsc#1249608 * bsc#1250032 * bsc#1250119 * bsc#1250202 * bsc#1250237 * bsc#1250274 * bsc#1250296 * bsc#1250379 * bsc#1250400 * bsc#1250455 * bsc#1250491 * bsc#1250519 * bsc#1250650 * bsc#1250702 * bsc#1250704 * bsc#1250721 * bsc#1250742 * bsc#1250946 * bsc#1251024 * bsc#1251027 * bsc#1251028 * bsc#1251031 * bsc#1251035 * bsc#1251038 * bsc#1251043 * bsc#1251045 * bsc#1251052 * bsc#1251053 * bsc#1251054 * bsc#1251056 * bsc#1251057 * bsc#1251059 * bsc#1251060 * bsc#1251065 * bsc#1251066 * bsc#1251067 * bsc#1251068 * bsc#1251071 * bsc#1251076 * bsc#1251079 * bsc#1251081 * bsc#1251083 * bsc#1251084 * bsc#1251100 * bsc#1251105 * bsc#1251106 * bsc#1251108 * bsc#1251113 * bsc#1251114 * bsc#1251119 * bsc#1251123 * bsc#1251126 * bsc#1251132 * bsc#1251134 * bsc#1251143 * bsc#1251146 * bsc#1251150 * bsc#1251152 * bsc#1251153 * bsc#1251159 * bsc#1251161 * bsc#1251170 * bsc#1251177 * bsc#1251180 * bsc#1251206 * bsc#1251215 * bsc#1251216 * bsc#1251222 * bsc#1251230 * bsc#1251232 * bsc#1251233 * bsc#1251247 * bsc#1251268 * bsc#1251269 * bsc#1251270 * bsc#1251282 * bsc#1251283 * bsc#1251286 * bsc#1251290 * bsc#1251319 * bsc#1251321 * bsc#1251323 * bsc#1251328 * bsc#1251529 * bsc#1251721 * bsc#1251732 * bsc#1251742 * bsc#1251743 * bsc#1251746 * bsc#1251748 * bsc#1251749 * bsc#1251750 * bsc#1251754 * bsc#1251755 * bsc#1251756 * bsc#1251758 * bsc#1251759 * bsc#1251760 * bsc#1251762 * bsc#1251763 * bsc#1251764 * bsc#1251769 * bsc#1251771 * bsc#1251772 * bsc#1251777 * bsc#1251780 * bsc#1251804 * bsc#1251810 * bsc#1251930 * bsc#1251967 * bsc#1252033 * bsc#1252035 * bsc#1252039 * bsc#1252044 * bsc#1252047 * bsc#1252051 * bsc#1252052 * bsc#1252056 * bsc#1252060 * bsc#1252062 * bsc#1252064 * bsc#1252065 * bsc#1252069 * bsc#1252070 * bsc#1252072 * bsc#1252074 * bsc#1252075 * bsc#1252078 * bsc#1252079 * bsc#1252082 * bsc#1252083 * bsc#1252236 * bsc#1252265 * bsc#1252332 * bsc#1252336 * bsc#1252346 * bsc#1252348 * bsc#1252349 * bsc#1252364 * bsc#1252479 * bsc#1252481 * bsc#1252489 * bsc#1252490 * bsc#1252492 * bsc#1252495 * bsc#1252496 * bsc#1252499 * bsc#1252534 * bsc#1252536 * bsc#1252537 * bsc#1252550 * bsc#1252553 * bsc#1252559 * bsc#1252561 * bsc#1252564 * bsc#1252565 * bsc#1252566 * bsc#1252632 * bsc#1252668 * bsc#1252678 * bsc#1252679 * bsc#1252685 * bsc#1252688 * bsc#1252772 * bsc#1252774 * bsc#1252775 * bsc#1252785 * bsc#1252787 * bsc#1252789 * bsc#1252797 * bsc#1252822 * bsc#1252826 * bsc#1252841 * bsc#1252848 * bsc#1252849 * bsc#1252850 * bsc#1252851 * bsc#1252854 * bsc#1252858 * bsc#1252865 * bsc#1252866 * bsc#1252873 * bsc#1252902 * bsc#1252904 * bsc#1252909 * bsc#1252918 * bsc#1252939 * jsc#PED-3527 * jsc#PED-4593 * jsc#PED-4876 * jsc#PED-5065 * jsc#PED-5475 * jsc#PED-5477 * jsc#PED-5511 * jsc#PED-5853 * jsc#PED-6012 * jsc#PED-6041 * jsc#PED-6054 * jsc#PED-6068 * jsc#PED-6069 * jsc#PED-6070 * jsc#PED-6071 * jsc#PED-6116 * jsc#PED-6120 * jsc#PED-6121 * jsc#PED-6811 * jsc#PED-7542 ## References: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

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openSUSE 15.6 Kernel Security Update Addresses Multiple Vulnerabilities The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to address several security vulnerabilities, including race conditions and warnings related to memory handling and subflow creation. Key issues fixed include CVE-2025-38008, CVE-2025-38539, CVE-2025-38552, and CVE-2025-38653. 2 sources 22

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openSUSE 15.6: Kernel Important Security Update Advisory 2025:4128

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