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Red Hat Security Advisory

RHSA-2025:23279

kernel security update

Released 2025-12-17 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 2 records

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns What we want is to verify there is that clone won't expose something hi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00185 Published 2025-08-11 Fixed in 4.5, 4.10 +11
TI-2025-26656 CVE-2025-39984 · GHSA-3cpf-qphm-hqhv

net: tun: Update napi->skb after XDP process

Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: net: tun: Update napi->skb after XDP process The syzbot report a UAF issue: BUG: KASAN: slab-use-after-free in skb_reset_mac_header include/linux/skbuff…

CVSS — EPSS 0.00197 Published 2025-10-15 Fixed in 6.12.50, 6.16.10 +1