RHSA-2025:18098 — Security Advisory

An update for kernel-rt 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 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.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too (CVE-2025-37823)

• kernel: usb: dwc3: gadget: check that event count does not exceed event buffer length (CVE-2025-37810)

• kernel: net_sched: ets: Fix double list add in class with netem as child qdisc (CVE-2025-37914)

• kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails (CVE-2022-50087)

• kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw (CVE-2025-38200)

• kernel: do_change_type(): refuse to operate on unmounted/not ours mounts (CVE-2025-38498)

• kernel: smb: client: fix use-after-free in cifs_oplock_break (CVE-2025-38527)

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.