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)` after either assuming that the skb is associated with an Ethernet device or checking only that the `ETH_HLEN` bytes at `skb_mac_header(skb)` lie between `skb->head` and `skb->data`.
Make these paths first verify that the skb is associated with an Ethernet device, that the MAC header was set, and that it spans at least a full Ethernet header before accessing `eth_hdr(skb)`.
CVSS Details
- CVSS 3.1 Base Score: 9.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade kernel-livepatch-5.15.210-148.245Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade python-perfUpgrade bpftool | Jul 21, 2026 | Jul 21, 2026 |
| Amazon_linux_2023 | — | Upgrade bpftool6.12Upgrade kernel6.18-debuginfoUpgrade kernel6.12-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.18-headersUpgrade kernel6.12-toolsUpgrade kernel6.18-toolsUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade perf6.12Upgrade bpftool6.12-debuginfoUpgrade kernel-tools-develUpgrade kernel6.12Upgrade python3-perf6.12Upgrade microvm-kernel6.18Upgrade perf-debuginfoUpgrade perf6.18-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-modules-extra-commonUpgrade python3-perf6.18-debuginfoUpgrade kernel-modules-extraUpgrade kernelUpgrade python3-perfUpgrade kernel-debuginfoUpgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-tools-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-modules-extraUpgrade bpftool6.18-debuginfoUpgrade kernel-headersUpgrade kernel6.12-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel6.18Upgrade kernel6.12-tools-debuginfoUpgrade kernel-livepatch-6.1.176-220.358Upgrade perfUpgrade kernel-develUpgrade bpftoolUpgrade kernel6.18-tools-develUpgrade perf6.18Upgrade kernel6.18-develUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-headersUpgrade bpftool6.18Upgrade kernel-modules-extra-commonUpgrade python3-perf-debuginfoUpgrade perf6.12-debuginfoUpgrade kernel-toolsUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.12-develUpgrade kernel-livepatch-6.12.94-123.174Upgrade kernel6.18-modules-extra-commonUpgrade kernel-livepatch-6.18.36-69.134 | Jul 8, 2026 | Jun 25, 2026 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 5, 2026 | Jul 5, 2026 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jul 17, 2026 | Jun 25, 2026 |
| Rocky_linux | — | Upgrade kernel-debuginfo-common-s390xUpgrade kernel-rt-debug-modules-extraUpgrade kernelUpgrade libperfUpgrade python3-perfUpgrade kernel-rtUpgrade kernel-tools-libs-develUpgrade kernel-uki-virtUpgrade kernel-zfcpdump-modulesUpgrade kernel-modules-coreUpgrade kernel-toolsUpgrade kernel-rt-debug-develUpgrade kernel-rt-modules-extraUpgrade kernel-devel-matchedUpgrade rvUpgrade libperf-debuginfoUpgrade perf-debuginfoUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-uki-virt-addonsUpgrade kernel-zfcpdump-modules-coreUpgrade perfUpgrade kernel-debug-devel-matchedUpgrade kernel-zfcpdump-coreUpgrade kernel-zfcpdumpUpgrade kernel-rt-kvmUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-modules-coreUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-rt-develUpgrade rtlaUpgrade python3-perf-debuginfoUpgrade bpftoolUpgrade kernel-modules-extraUpgrade kernel-debugUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debugUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-rt-modules-coreUpgrade kernel-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-debug-modulesUpgrade kernel-debug-develUpgrade kernel-tools-libsUpgrade kernel-rt-debug-debuginfoUpgrade kernel-develUpgrade kernel-rt-debuginfoUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-uki-virtUpgrade kernel-debug-modules-coreUpgrade kernel-modules-extra-matchedUpgrade kernel-modulesUpgrade kernel-debuginfoUpgrade kernel-rt-coreUpgrade kernel-rt-debug-core | Aug 31, 2026 | Aug 27, 2026 |
| Ubuntu | — | Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gcp-fipsUpgrade linux-image-oem-24.04aUpgrade linux-image-gke-64kUpgrade linux-image-nvidiaUpgrade linux-image-gke-5.15Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-oem-26.04Upgrade linux-image-gcp-5.15Upgrade linux-image-7.0.0-1011-azureUpgrade linux-image-5.15.0-1115-gcpUpgrade linux-image-6.17.0-1031-nvidiaUpgrade linux-image-5.15.0-1098-gkeopUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-1067-nvidia-tegraUpgrade linux-image-7.0.0-29-generic-64kUpgrade linux-image-oem-24.04dUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1010-oemUpgrade linux-image-oem-7.0Upgrade linux-image-oem-20.04dUpgrade linux-image-oem-24.04cUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-6.17Upgrade linux-image-azure-fipsUpgrade linux-image-generic-6.17Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-29-realtime-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.15.0-1120-azure-fdeUpgrade linux-image-7.0.0-1011-ibmUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-oracle-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-7.0.0-1016-raspiUpgrade linux-image-aws-lts-22.04Upgrade linux-image-azure-fde-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-awsUpgrade linux-image-6.17.0-1020-oracle-64kUpgrade linux-image-5.15.0-1110-nvidia-lowlatencyUpgrade linux-image-raspi-realtimeUpgrade linux-image-5.15.0-1067-nvidia-tegra-rtUpgrade linux-image-azure-7.0Upgrade linux-image-azure-6.17Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-kvmUpgrade linux-image-oracle-5.15Upgrade linux-image-oracle-6.17Upgrade linux-image-5.15.0-1115-aws-64kUpgrade linux-image-6.17.0-42-genericUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-generic-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-realtime-6.17Upgrade linux-image-oem-20.04bUpgrade linux-image-raspiUpgrade linux-image-ibm-7.0Upgrade linux-image-5.15.0-1114-realtimeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-azure-fdeUpgrade linux-image-azure-lts-26.04Upgrade linux-image-generic-lpaeUpgrade linux-image-ibmUpgrade linux-image-6.17.0-1020-oracleUpgrade linux-image-6.8.0-1035-nvidia-tegraUpgrade linux-image-7.0.0-1005-gke-64kUpgrade linux-image-5.15.0-191-lowlatency-64kUpgrade linux-image-7.0.0-1010-gcpUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-191-genericUpgrade linux-image-azureUpgrade linux-image-5.15.0-191-generic-64kUpgrade linux-image-gcpUpgrade linux-image-6.17.0-1031-nvidia-64kUpgrade linux-image-7.0.0-1010-azure-fdeUpgrade linux-image-aws-64k-5.15Upgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-191-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-6.17.0-1022-azureUpgrade linux-image-virtual-6.17Upgrade linux-image-virtual-5.15Upgrade linux-image-6.17.0-1019-realtimeUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-nvidia-bosUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-7.0.0-1010-awsUpgrade linux-image-5.15.0-1121-azure-fipsUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-aws-64kUpgrade linux-image-5.15.0-1115-awsUpgrade linux-image-5.15.0-1110-nvidiaUpgrade linux-image-5.15.0-1078-xilinx-zynqmpUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-oem-26.04aUpgrade linux-image-gke-64k-7.0Upgrade linux-image-7.0.0-1005-gkeUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-5.15.0-1115-gcp-fipsUpgrade linux-image-5.15.0-1112-oracleUpgrade linux-image-5.15.0-1109-ibmUpgrade linux-image-5.15.0-1056-nvidia-tegra-igx-rtUpgrade linux-image-realtime-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-nvidia-hwe-24.04Upgrade linux-image-nvidia-6.17Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-gkeop-5.15Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-generic-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-azure-cvmUpgrade linux-image-aws-fips-5.15Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-7.0.0-29-realtimeUpgrade linux-image-5.15.0-1107-kvmUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.17.0-42-generic-64kUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-generic-64k-6.17Upgrade linux-image-gcp-64kUpgrade linux-image-gcp-6.17Upgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-azure-5.15Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-7.0.0-1009-oracle-64kUpgrade linux-image-5.15.0-191-generic-lpaeUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-realtime-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-64k-hwe-24.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-7.0Upgrade linux-image-aws-5.15Upgrade linux-image-7.0.0-1016-raspi-realtimeUpgrade linux-image-6.17.0-1022-gcp-64kUpgrade linux-image-6.17.0-1022-gcpUpgrade linux-image-5.15.0-1121-azureUpgrade linux-image-gke-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-generic-64k-5.15Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-7.0.0-1009-oracleUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-raspi-7.0Upgrade linux-image-oem-24.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1010-aws-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-29-genericUpgrade linux-image-6.17.0-1032-oemUpgrade linux-image-5.15.0-1115-aws-fipsUpgrade linux-image-5.15.0-1111-gkeUpgrade linux-image-5.15.0-1056-nvidia-tegra-igxUpgrade linux-image-virtual-7.0Upgrade linux-image-virtualUpgrade linux-image-realtime-5.15Upgrade linux-image-oem-20.04cUpgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-kvm-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-gkeopUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-7.0.0-1010-gcp-64kUpgrade linux-image-gkeUpgrade linux-image-5.15.0-1110-intel-iotgUpgrade linux-image-5.15.0-1107-intel-iot-realtimeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-64k-6.17Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-genericUpgrade linux-image-ibm-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-azure-fde-5.15 | Aug 13, 2026 | Aug 12, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 6, 2026 | Jun 25, 2026 |
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