RHSA-2026:9513MediumCVSS 7.5

Red Hat Security Advisory: kernel security update

Published
April 22, 2026
Last Modified
June 8, 2026

🔗 CVE IDs covered (4)

CVE-2025-40168 →CVE-2026-23204 →CVE-2026-23231 →CVE-2025-40064 →

📋 Description

CVE-2025-40064 — kernel: smc: Fix use-after-free in __pnet_find_base_ndev() CVE-2025-40168 — kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() CVE-2026-23204 — kernel: net/sched: cls_u32: use skb_header_pointer_careful() CVE-2026-23231 — kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

🔗 References (7)