RHSA-2026:22964 — Security Advisory
Red Hat Security Advisory: kernel security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · June 5, 2026
Updated · November 1, 2026
Topic
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.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
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kernel: nvme: avoid double free special payload (CVE-2024-41073)
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kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)
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kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)
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kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)
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kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)
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kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)
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kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038)
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.