RHSA-2026:68100 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · September 17, 2026

Updated · November 1, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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: fanotify: fix false positive on permission events (CVE-2026-46150)
kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)
kernel: netfilter: nat: use kfree_rcu to release ops (CVE-2026-53000)
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: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov() (CVE-2026-64438)

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.