Issued:: 2026-03-09
Updated:: 2026-03-09

RHSA-2026:4012 - 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: Linux kernel: Use-after-free in device mapper due to race condition in zone reporting (CVE-2025-38141)
kernel: Linux kernel io_uring: Local privilege escalation, information disclosure, or denial of service via use-after-free (CVE-2025-38106)
kernel: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)
kernel: Linux kernel: Denial of Service via out-of-bounds read in USB configuration parsing (CVE-2025-39760)
kernel: HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save (CVE-2025-39818)
kernel: Kernel: Use-after-free in GPIO character device allows privilege escalation or denial of service (CVE-2025-40249)
kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CVE-2025-71085)
kernel: macvlan: fix possible UAF in macvlan_forward_source() (CVE-2026-23001)
kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration (CVE-2026-23097)
kernel: Linux kernel: Information disclosure in efivarfs via incorrect error propagation (CVE-2026-23156)

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

Product	Version	Arch
Red Hat Enterprise Linux for x86_64	10	x86_64
Red Hat Enterprise Linux for Power, little endian	10	ppc64le
Red Hat Enterprise Linux for IBM z Systems	10	s390x
Red Hat Enterprise Linux for ARM 64	10	aarch64
Red Hat CodeReady Linux Builder for x86_64	10	x86_64
Red Hat CodeReady Linux Builder for Power, little endian	10	ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems	10	s390x
Red Hat CodeReady Linux Builder for ARM 64	10	aarch64

Updated Packages

kernel-tools-libs-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-tools-libs-6.12.0-124.43.1.el10_1.aarch64.rpm
libperf-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
rv-6.12.0-124.43.1.el10_1.aarch64.rpm
perf-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-uki-virt-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-extra-matched-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-modules-extra-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-64k-devel-matched-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-core-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-64k-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-devel-matched-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-headers-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-64k-debug-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-64k-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-modules-extra-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-modules-extra-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-rt-64k-debug-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-devel-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-tools-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-devel-matched-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-rt-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-modules-extra-matched-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-uki-virt-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-zfcpdump-devel-matched-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-zfcpdump-modules-core-6.12.0-124.43.1.el10_1.s390x.rpm
perf-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
rv-6.12.0-124.43.1.el10_1.ppc64le.rpm
libperf-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-64k-debug-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debuginfo-common-aarch64-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debug-modules-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-zfcpdump-devel-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-zfcpdump-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-uki-virt-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-zfcpdump-core-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-64k-debug-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-headers-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-64k-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-zfcpdump-modules-6.12.0-124.43.1.el10_1.s390x.rpm
libperf-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-modules-extra-matched-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-tools-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
perf-6.12.0-124.43.1.el10_1.ppc64le.rpm
python3-perf-6.12.0-124.43.1.el10_1.aarch64.rpm
rtla-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-debug-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
rv-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-cross-headers-6.12.0-124.43.1.el10_1.x86_64.rpm
perf-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-zfcpdump-modules-extra-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debug-modules-core-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-64k-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-core-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-64k-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-modules-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-abi-stablelists-6.12.0-124.43.1.el10_1.noarch.rpm
kernel-rt-64k-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-tools-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-cross-headers-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-debug-devel-matched-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debuginfo-common-x86_64-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-doc-6.12.0-124.43.1.el10_1.noarch.rpm
kernel-rt-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-modules-6.12.0-124.43.1.el10_1.x86_64.rpm
libperf-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-cross-headers-6.12.0-124.43.1.el10_1.s390x.rpm
rtla-6.12.0-124.43.1.el10_1.aarch64.rpm
libperf-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-modules-6.12.0-124.43.1.el10_1.s390x.rpm
perf-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
python3-perf-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-tools-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-devel-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-tools-libs-devel-6.12.0-124.43.1.el10_1.x86_64.rpm
rtla-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-6.12.0-124.43.1.el10_1.src.rpm
kernel-rt-modules-extra-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-zfcpdump-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-64k-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
libperf-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-64k-debug-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-rt-64k-debug-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-modules-extra-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-rt-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-tools-libs-devel-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-devel-matched-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-uki-virt-addons-6.12.0-124.43.1.el10_1.x86_64.rpm
perf-6.12.0-124.43.1.el10_1.aarch64.rpm
perf-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debug-devel-6.12.0-124.43.1.el10_1.ppc64le.rpm
libperf-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-debug-modules-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-debug-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-64k-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-devel-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-64k-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-64k-debug-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-debug-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debug-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-devel-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debug-modules-core-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debug-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-64k-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-modules-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-headers-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-devel-matched-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-debug-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-headers-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-modules-extra-matched-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-modules-extra-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-rt-debug-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debuginfo-common-s390x-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-tools-libs-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-cross-headers-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-devel-matched-6.12.0-124.43.1.el10_1.x86_64.rpm
python3-perf-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-debug-devel-matched-6.12.0-124.43.1.el10_1.s390x.rpm
python3-perf-6.12.0-124.43.1.el10_1.x86_64.rpm
python3-perf-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
python3-perf-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debug-core-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-modules-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-64k-debug-modules-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-devel-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
rv-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-64k-debug-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-64k-debug-modules-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-core-6.12.0-124.43.1.el10_1.x86_64.rpm
python3-perf-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-tools-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debug-modules-extra-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-core-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-64k-debug-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-modules-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-tools-debuginfo-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-debug-modules-core-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-core-6.12.0-124.43.1.el10_1.x86_64.rpm
perf-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-rt-debuginfo-6.12.0-124.43.1.el10_1.x86_64.rpm
rtla-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-64k-debug-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-modules-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-64k-debug-6.12.0-124.43.1.el10_1.aarch64.rpm
python3-perf-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-core-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-devel-matched-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-tools-libs-devel-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-debug-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-modules-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-tools-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-core-6.12.0-124.43.1.el10_1.ppc64le.rpm
kernel-debug-devel-matched-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-core-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-modules-extra-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-devel-6.12.0-124.43.1.el10_1.s390x.rpm
kernel-devel-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-rt-6.12.0-124.43.1.el10_1.x86_64.rpm
kernel-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-debug-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-modules-extra-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-tools-debuginfo-6.12.0-124.43.1.el10_1.ppc64le.rpm
libperf-debuginfo-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-rt-6.12.0-124.43.1.el10_1.aarch64.rpm
kernel-uki-virt-addons-6.12.0-124.43.1.el10_1.aarch64.rpm

Fixes

CVEs

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.