Issued:
2026-02-16
Updated:
2026-02-16

RHSA-2026:2721 - 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.

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: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans (CVE-2023-53034)

  • kernel: Linux kernel erofs: Use-After-Free due to device type mismatch (CVE-2025-38172)

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

  • kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free (CVE-2025-40141)

  • kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)

  • kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)

  • kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec (CVE-2026-22998)

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

ProductVersionArch
Red Hat Enterprise Linux for x86_6410x86_64
Red Hat Enterprise Linux for Power, little endian10ppc64le
Red Hat Enterprise Linux for IBM z Systems10s390x
Red Hat Enterprise Linux for ARM 6410aarch64
Red Hat CodeReady Linux Builder for x86_6410x86_64
Red Hat CodeReady Linux Builder for Power, little endian10ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems10s390x
Red Hat CodeReady Linux Builder for ARM 6410aarch64

Updated Packages

  • kernel-debug-modules-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-tools-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-core-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-devel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debuginfo-common-x86_64-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-libs-devel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • libperf-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-modules-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • perf-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-zfcpdump-devel-matched-6.12.0-124.38.1.el10_1.s390x.rpm
  • perf-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • rv-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-modules-extra-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-cross-headers-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-uki-virt-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-modules-extra-matched-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-debug-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-modules-extra-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-debug-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • libperf-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-cross-headers-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-cross-headers-6.12.0-124.38.1.el10_1.s390x.rpm
  • rtla-6.12.0-124.38.1.el10_1.aarch64.rpm
  • python3-perf-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-debug-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-tools-6.12.0-124.38.1.el10_1.x86_64.rpm
  • libperf-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-matched-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-modules-core-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-64k-devel-matched-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-modules-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-64k-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-debug-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • libperf-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-64k-debug-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-64k-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-matched-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-modules-extra-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debuginfo-common-ppc64le-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-debug-modules-extra-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-zfcpdump-modules-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debug-modules-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • perf-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • python3-perf-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-tools-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-modules-extra-matched-6.12.0-124.38.1.el10_1.s390x.rpm
  • libperf-6.12.0-124.38.1.el10_1.x86_64.rpm
  • perf-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-devel-matched-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-modules-core-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-debug-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-matched-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-matched-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debug-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-64k-debug-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-debug-devel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-modules-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-tools-libs-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-debug-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-abi-stablelists-6.12.0-124.38.1.el10_1.noarch.rpm
  • kernel-rt-modules-extra-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-modules-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-zfcpdump-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • libperf-6.12.0-124.38.1.el10_1.s390x.rpm
  • python3-perf-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-matched-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-debug-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-modules-extra-matched-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-64k-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-devel-matched-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-modules-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-headers-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-devel-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-devel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-tools-libs-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-headers-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-zfcpdump-modules-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • python3-perf-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • rtla-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-64k-debug-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-debug-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-debug-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • python3-perf-6.12.0-124.38.1.el10_1.s390x.rpm
  • rv-6.12.0-124.38.1.el10_1.s390x.rpm
  • perf-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-modules-extra-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-cross-headers-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-uki-virt-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debuginfo-common-aarch64-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • rtla-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • python3-perf-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debuginfo-common-s390x-6.12.0-124.38.1.el10_1.s390x.rpm
  • rv-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-64k-debug-devel-matched-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-64k-debug-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-matched-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-64k-debug-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-uki-virt-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-zfcpdump-modules-extra-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-6.12.0-124.38.1.el10_1.src.rpm
  • python3-perf-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-tools-libs-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • rv-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-64k-debug-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-core-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-zfcpdump-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-modules-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-64k-debug-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-zfcpdump-devel-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-modules-extra-matched-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-64k-debug-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-headers-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-modules-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-uki-virt-addons-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-zfcpdump-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-rt-debug-modules-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • python3-perf-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-64k-debug-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debug-core-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-headers-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-modules-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-debug-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-rt-64k-modules-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-debug-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-libs-devel-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • perf-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debug-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-64k-debug-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-64k-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-64k-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-modules-extra-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-doc-6.12.0-124.38.1.el10_1.noarch.rpm
  • kernel-tools-libs-6.12.0-124.38.1.el10_1.x86_64.rpm
  • perf-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-modules-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-64k-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-debug-devel-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-debug-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-modules-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-64k-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-debuginfo-6.12.0-124.38.1.el10_1.aarch64.rpm
  • libperf-debuginfo-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-debug-modules-extra-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • libperf-debuginfo-6.12.0-124.38.1.el10_1.s390x.rpm
  • kernel-rt-debug-core-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-64k-debug-modules-extra-6.12.0-124.38.1.el10_1.aarch64.rpm
  • perf-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-debug-devel-6.12.0-124.38.1.el10_1.ppc64le.rpm
  • kernel-rt-64k-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • rtla-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-64k-devel-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-rt-64k-debug-modules-core-6.12.0-124.38.1.el10_1.aarch64.rpm
  • kernel-tools-debuginfo-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-uki-virt-addons-6.12.0-124.38.1.el10_1.x86_64.rpm
  • kernel-rt-debug-modules-6.12.0-124.38.1.el10_1.x86_64.rpm

Fixes

CVEs

References


Additional information