Critical: Red Hat Security Advisory: kernel security, bug fix, and enhancement 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 Critical. A Common Vulnerability...

SUSE-SU-2026:22042-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE SLES15 Security Update : kernel (Live Patch 29 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:2159-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2159-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.116 fixes various security issues The following security issues were fixed: ...

SUSE SLES15 Security Update : kernel (Live Patch 1 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:2176-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2176-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.70 fixes various security issues The following security issues were fixed: -...

SUSE SLES12 Security Update : kernel (Live Patch 76 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2168-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2168-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.290 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel (Live Patch 46 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:2158-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2158-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.184 fixes various security issues The following security issues were fixed: ...

SUSE-SU-2026:22030-1 Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:21969-1 Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. -...

SUSE-SU-2026:21926-1 Security update for the Linux Kernel RT (Live Patch 12 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. - CVE-2026-23274:...

SUSE-SU-2026:21934-1 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-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. - CVE-2026-23274:...

Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.78 fixes various security issues The following security issues were fixed: CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. CVE-2026-23243: RDMA/umad: Reject negative datalen in ibumadwrite bsc1259798. CVE-2026-23274...

RHEL 8 : kernel (RHSA-2026:19521)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19521 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: RDMA/rxe...

RHEL 9 : kernel (RHSA-2026:13936)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13936 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: scsi: mpi3mr: Synchronous...

SUSE-SU-2026:1606-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. - CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. - CVE-2026-23243: RDMA/umad: Reject...

SUSE-SU-2026:1574-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. - CVE-2025-68818: scsi: Revert 'scsi: qla2xxx: Perform lockless command completion in abort path'...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to fix various security issues. The following security issues were fixed: CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2026-23103: ipvlan: Make the addrslock be per port bsc1257773. CVE-2026-23243: RDMA/umad: Reject negative...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1544)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1544 advisory. In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop in attrloadrunsrange on inconsistent metadata CVE-2025-71265 In the Linux kernel, the following...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-115 (ALASKERNEL-5.10-2026-115)

The version of kernel installed on the remote host is prior to 5.10.252-250.992. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-115 advisory. In the Linux kernel, the following vulnerability has been resolved: smack: /smack/doi: accept previously...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smack: /smack/doi: accept previously used values CVE-2025-71304 In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg unconditional requeue CVE-2026-23066 In the Linux kernel, the...

CVE-2026-23243

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA umad User Mode Access Device component. A local user can exploit this vulnerability by manipulating input, causing an integer underflow that leads to an out-of-bounds memory write. This memory corruption can result in a denia...