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OpenAdvisories
Critical USN-8730-4 1 CVE

linux-azure-fde, linux-intel-iotg, linux-kvm, linux-oracle, linux-xilinx-zynqmp vulnerability

Published Sep 21, 2026 · Updated Sep 21, 2026

Ecosystem: Ubuntu

Summary

A security issue was discovered in the Linux kernel.
An attacker could possibly use this to compromise the system.
This update corrects flaws in the following subsystems:
- IPv6 networking;
- Netfilter;

Fixed packages 5

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS linux-azure-fde 5.15.0-1120.129
Ubuntu · 22.04 LTS 22.04:LTS linux-intel-iotg 5.15.0-1110.116
Ubuntu · 22.04 LTS 22.04:LTS linux-kvm 5.15.0-1107.112
Ubuntu · 22.04 LTS 22.04:LTS linux-oracle 5.15.0-1112.118
Ubuntu · 22.04 LTS 22.04:LTS linux-xilinx-zynqmp 5.15.0-1078.82

Vulnerabilities 1

  • Critical 9.4
    CVE-2026-53131

    netfilter: require Ethernet MAC header before using eth_hdr()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: require Ethernet MAC header before using eth_hdr() `ip6t_eui64`, `xt_mac`, the `bitmap:ip,mac`, `hash:ip,mac`, and `hash:mac` ipset types, and `nf_log_syslog` access `eth_hdr(skb)`…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://ubuntu.com/security/CVE-2026-53131