RHSA-2026:69837 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

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: rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692)

• kernel: fanotify: fix false positive on permission events (CVE-2026-46150)

• kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002)

• kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)

• kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)

• kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)

• kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)

• kernel: Kernel: Remote out-of-bounds write in RDMA/siw (CVE-2026-64268)

• kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)

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.