Issued:

2026-03-09

Updated:

2026-03-09

RHSA-2026:4111 - Moderate: kernel security update

Synopsis

Moderate: kernel security update

Type/Severity

Security Advisory Moderate

Topic

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: page_pool: Fix use-after-free in page_pool_recycle_in_ring (CVE-2025-38129)

• kernel: Linux kernel: Denial of service due to use-after-free in scsi: lpfc (CVE-2025-38289)

• kernel: Linux kernel use-after-free in eventpoll (CVE-2025-38349)

• kernel: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)

• kernel: smc: Fix use-after-free in __pnet_find_base_ndev() (CVE-2025-40064)

• kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (CVE-2025-40168)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

Updated Packages

• kernel-rt-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-64k-debug-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-headers-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-tools-6.12.0-55.63.1.el10_0.x86_64.rpm
• perf-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-rt-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-modules-extra-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-modules-extra-6.12.0-55.63.1.el10_0.s390x.rpm
• libperf-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-tools-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-rt-64k-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-tools-libs-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-modules-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-core-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-tools-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• rtla-6.12.0-55.63.1.el10_0.x86_64.rpm
• libperf-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-debug-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-tools-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-debug-modules-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-debug-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-64k-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-zfcpdump-devel-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-zfcpdump-modules-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-uki-virt-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-doc-6.12.0-55.63.1.el10_0.noarch.rpm
• kernel-rt-64k-debug-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-64k-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-devel-matched-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-debuginfo-common-ppc64le-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-core-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-rt-64k-debug-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-64k-debug-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-64k-debug-devel-matched-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-core-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-devel-matched-6.12.0-55.63.1.el10_0.aarch64.rpm
• rtla-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-debug-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-tools-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-modules-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-headers-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-modules-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-extra-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-debug-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-tools-libs-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-tools-libs-devel-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-tools-libs-devel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-6.12.0-55.63.1.el10_0.s390x.rpm
• python3-perf-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-devel-matched-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-64k-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debuginfo-common-aarch64-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-extra-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-modules-core-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-debug-devel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-tools-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-tools-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debuginfo-common-s390x-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-tools-libs-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-64k-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-devel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-zfcpdump-devel-matched-6.12.0-55.63.1.el10_0.s390x.rpm
• libperf-6.12.0-55.63.1.el10_0.aarch64.rpm
• perf-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-64k-debug-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-devel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-tools-libs-6.12.0-55.63.1.el10_0.aarch64.rpm
• python3-perf-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-modules-core-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-core-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-headers-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-devel-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-debug-modules-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-headers-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-modules-extra-6.12.0-55.63.1.el10_0.x86_64.rpm
• python3-perf-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-debug-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• perf-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-6.12.0-55.63.1.el10_0.src.rpm
• kernel-modules-extra-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-debug-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-64k-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-modules-extra-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-devel-matched-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-64k-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-zfcpdump-core-6.12.0-55.63.1.el10_0.s390x.rpm
• perf-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-debug-modules-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-cross-headers-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-zfcpdump-modules-extra-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-uki-virt-addons-6.12.0-55.63.1.el10_0.x86_64.rpm
• python3-perf-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-rt-debug-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-debug-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-tools-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-64k-debug-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-zfcpdump-6.12.0-55.63.1.el10_0.s390x.rpm
• libperf-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-modules-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-devel-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-cross-headers-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-devel-matched-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-debug-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-zfcpdump-modules-core-6.12.0-55.63.1.el10_0.s390x.rpm
• libperf-6.12.0-55.63.1.el10_0.ppc64le.rpm
• perf-6.12.0-55.63.1.el10_0.x86_64.rpm
• python3-perf-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-64k-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debuginfo-common-x86_64-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-devel-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-modules-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-rt-debug-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-modules-core-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-64k-debug-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-cross-headers-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-core-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-uki-virt-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-uki-virt-addons-6.12.0-55.63.1.el10_0.aarch64.rpm
• python3-perf-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-devel-matched-6.12.0-55.63.1.el10_0.x86_64.rpm
• rtla-6.12.0-55.63.1.el10_0.aarch64.rpm
• rtla-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-modules-6.12.0-55.63.1.el10_0.x86_64.rpm
• libperf-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-kvm-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-cross-headers-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-debug-devel-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-debug-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• rv-6.12.0-55.63.1.el10_0.aarch64.rpm
• rv-6.12.0-55.63.1.el10_0.ppc64le.rpm
• rv-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-modules-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• perf-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• rv-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-64k-devel-matched-6.12.0-55.63.1.el10_0.aarch64.rpm
• perf-6.12.0-55.63.1.el10_0.aarch64.rpm
• python3-perf-debuginfo-6.12.0-55.63.1.el10_0.ppc64le.rpm
• libperf-debuginfo-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-devel-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-rt-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• libperf-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-modules-extra-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• perf-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-kvm-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-rt-core-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-debuginfo-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-devel-matched-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-uki-virt-6.12.0-55.63.1.el10_0.x86_64.rpm
• python3-perf-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-debug-modules-core-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-64k-debug-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-devel-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-zfcpdump-debuginfo-6.12.0-55.63.1.el10_0.s390x.rpm
• kernel-64k-debug-modules-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-debug-devel-matched-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-64k-debug-modules-extra-6.12.0-55.63.1.el10_0.aarch64.rpm
• kernel-rt-debug-6.12.0-55.63.1.el10_0.x86_64.rpm
• kernel-modules-6.12.0-55.63.1.el10_0.ppc64le.rpm
• kernel-abi-stablelists-6.12.0-55.63.1.el10_0.noarch.rpm

Fixes

• This content is not included.BZ - 2376034
• This content is not included.BZ - 2379196
• This content is not included.BZ - 2381870
• This content is not included.BZ - 2393157
• This content is not included.BZ - 2406747
• This content is not included.BZ - 2414482

CVEs

• CVE-2025-38129
• CVE-2025-38289
• CVE-2025-38349
• CVE-2025-38703
• CVE-2025-40064
• CVE-2025-40168

References

• https://access.redhat.com/security/updates/classification/#moderate

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.