RLSA-2026:2721

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.