Issued:: 2026-01-14
Updated:: 2026-01-14

RHSA-2026:0576 - Important: kernel security update

Synopsis

Important: kernel security update

Type/Severity

Security Advisory Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)
kernel: smb: client: fix potential UAF in cifs_stats_proc_write() (CVE-2024-35868)
kernel: Linux kernel: SCTP use-after-free due to race condition in sendmsg (CVE-2025-23142)
kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)
kernel: smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)
kernel: can: j1939: implement NETDEV_UNREGISTER notification handler (CVE-2025-39925)
kernel: net/mlx5e: Check for NOT_READY flag state after locking (CVE-2023-53581)
kernel: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL (CVE-2023-53680)
kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses (CVE-2023-53675)
kernel: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync (CVE-2025-39982)
kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv() (CVE-2023-53705)
kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths (CVE-2025-68287)
kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)

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 - Update Services for SAP Solutions	9.0	x86_64
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates	9.0	s390x
Red Hat Enterprise Linux for ARM 64 - 4 years of updates	9.0	aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	9.0	ppc64le

Updated Packages

perf-5.14.0-70.161.1.el9_0.aarch64.rpm
python3-perf-5.14.0-70.161.1.el9_0.x86_64.rpm
perf-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debuginfo-common-s390x-5.14.0-70.161.1.el9_0.s390x.rpm
bpftool-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-tools-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-headers-5.14.0-70.161.1.el9_0.ppc64le.rpm
bpftool-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debug-modules-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-core-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-modules-5.14.0-70.161.1.el9_0.x86_64.rpm
bpftool-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-modules-extra-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-zfcpdump-core-5.14.0-70.161.1.el9_0.s390x.rpm
perf-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-core-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-doc-5.14.0-70.161.1.el9_0.noarch.rpm
perf-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-5.14.0-70.161.1.el9_0.src.rpm
kernel-debug-devel-matched-5.14.0-70.161.1.el9_0.x86_64.rpm
python3-perf-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-devel-matched-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-tools-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
perf-5.14.0-70.161.1.el9_0.ppc64le.rpm
python3-perf-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-modules-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
bpftool-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-modules-extra-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-modules-5.14.0-70.161.1.el9_0.ppc64le.rpm
python3-perf-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-devel-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-devel-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debug-modules-extra-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-devel-matched-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-modules-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-modules-extra-5.14.0-70.161.1.el9_0.x86_64.rpm
python3-perf-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
perf-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-headers-5.14.0-70.161.1.el9_0.x86_64.rpm
python3-perf-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
bpftool-debuginfo-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-abi-stablelists-5.14.0-70.161.1.el9_0.noarch.rpm
kernel-core-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-tools-libs-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debug-devel-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-modules-5.14.0-70.161.1.el9_0.s390x.rpm
bpftool-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-zfcpdump-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
perf-5.14.0-70.161.1.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debug-devel-matched-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-zfcpdump-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-modules-extra-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debuginfo-common-x86_64-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-tools-libs-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-tools-libs-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-zfcpdump-devel-matched-5.14.0-70.161.1.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-modules-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debug-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-modules-extra-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-modules-extra-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debug-core-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-tools-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-headers-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-modules-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-core-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-tools-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.161.1.el9_0.ppc64le.rpm
bpftool-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-debug-modules-extra-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-zfcpdump-modules-extra-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debuginfo-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debug-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-zfcpdump-devel-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-core-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-headers-5.14.0-70.161.1.el9_0.aarch64.rpm
bpftool-debuginfo-5.14.0-70.161.1.el9_0.s390x.rpm
kernel-debug-devel-5.14.0-70.161.1.el9_0.x86_64.rpm
kernel-devel-5.14.0-70.161.1.el9_0.aarch64.rpm
kernel-debug-5.14.0-70.161.1.el9_0.ppc64le.rpm
kernel-zfcpdump-modules-5.14.0-70.161.1.el9_0.s390x.rpm

Fixes

CVEs

References

https://access.redhat.com/security/updates/classification/#important

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.