RHSA-2025:15011 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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.

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

Security Fix(es):

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

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

• kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction (CVE-2025-38211)

• kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)

• kernel: tipc: Fix use-after-free in tipc_conn_close() (CVE-2025-38464)

• kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)

• kernel: xfrm: interface: fix use-after-free after changing collect_md xfrm interface (CVE-2025-38500)

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.