RHSA-2026:23237HighCVSS 7.8

Red Hat Security Advisory: kernel security update

Published
June 4, 2026
Last Modified
June 5, 2026

🔗 CVE IDs covered (12)

CVE-2025-40158 →CVE-2026-23216 · pendingCVE-2026-31709 →CVE-2026-43037 →CVE-2026-43038 →CVE-2025-40135 →CVE-2025-40170 →CVE-2025-68724 →CVE-2025-71089 →CVE-2026-23392 →CVE-2026-31685 →CVE-2026-43110 →

📋 Description

CVE-2025-40135 — kernel: ipv6: use RCU in ip6_xmit() CVE-2025-40158 — kernel: ipv6: use RCU in ip6_output() CVE-2025-40170 — kernel: net: use dst_dev_rcu() in sk_setup_caps() CVE-2025-68724 — kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id CVE-2025-71089 — kernel: iommu: disable SVA when CONFIG_X86 is set CVE-2026-23216 — kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() CVE-2026-23392 — kernel: netfilter: nf_tables: release flowtable after rcu grace period on error CVE-2026-31685 — kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets CVE-2026-31709 — kernel: smb: client: validate the whole DACL before rewriting it in cifsacl CVE-2026-43037 — kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() CVE-2026-43038 — kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() CVE-2026-43110 — kernel: wifi: brcmfmac: validate bsscfg indices in IF events

🔗 References (15)