RHSA-2026:6571 — Security Advisory
Red Hat Security Advisory: kernel security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · April 6, 2026
Updated · September 11, 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: nouveau: fix instmem race condition around ptr stores (CVE-2024-26984)
-
kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() (CVE-2026-23193)
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kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain() (CVE-2026-23231)
-
kernel: Linux kernel (qla2xxx): Double free vulnerability leads to denial of service and potential privilege escalation. (CVE-2025-71238)
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.