Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem Call Trace: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:408 inline...

SUSE-SU-2026:20503-1 Security update for the Linux Kernel (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20500-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20459-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-33.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20515-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-33.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20466-1 Security update for the Linux Kernel (Live Patch 10 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-32.1 fixes various security issues The following security issues were fixed: - CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in findhwthreadmask bsc1249480. - CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length...

SUSE-SU-2026:20460-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-24.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20504-1 Security update for the Linux Kernel (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-31.1 fixes various security issues The following security issues were fixed: - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel bsc1249205. - CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero ...

SUSE-SU-2026:20512-1 Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-28.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20461-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20511-1 Security update for the Linux Kernel RT (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-112 (ALASKERNEL-5.10-2026-112)

The version of kernel installed on the remote host is prior to 5.10.247-246.989. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-112 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack...

SUSE SLES15 Security Update : kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:0544-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:0544-1 advisory. This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.124 fixes one security issue The following security issue was fixed: - CVE-2025-3974...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50113)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50113 advisory. - sunrpc: fix client side handling of tls alerts Olga Kornievskaia Orabug: 38334981 CVE-2025-38571 - sunrpc: fix handling of server side tls alert...

SUSE-SU-2026:0565-1 Security update for the Linux Kernel (Live Patch 36 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.150 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access...

Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.53.6 fixes various security issues The following security issues were fixed: CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel bsc1249205. CVE-2025-39742: RDMA: hfi1: fix possible divide-by-ze...

SUSE-SU-2026:0556-1 Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.53.6 fixes various security issues The following security issues were fixed: - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel bsc1249205. - CVE-2025-39742: RDMA: hfi1: fix possible...

Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.124 fixes one security issue The following security issue was fixed: CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in findhwthreadmask bsc1249480. Patch Instructions: To install this SUSE update use the SUSE recommended...

SUSE-SU-2026:0544-1 Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.124 fixes one security issue The following security issue was fixed: - CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in findhwthreadmask bsc1249480...