RHSA-2026:74133 — Security Advisory
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · October 1, 2026
Updated · October 30, 2026
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.
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.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CVE-2026-64102)
-
kernel: vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets (CVE-2026-68299)
-
kernel: net/liquidio: drop cached VF pci_dev LUT (CVE-2026-72329)
-
kernel: dm-integrity: don't increment hash_offset twice (CVE-2026-72099)
Bug Fix(es) and Enhancement(s):
-
[RHEL 8.10] "kernel BUG at lib/list_debug.c:28!": list_add corruption in register_trace_event RHEL 8.10 (JIRA:RHEL-214136)
-
request_key_auth use-after-free on every request-key upcall since 4.18.0-553.165.1 (regression from CVE-2026-63823 backport) (JIRA:RHEL-270349)
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.