In the Linux kernel, the following vulnerability has been resolved:
netfilter: reject zero shift in nft_bitwise
Reject zero shift operands for nft_bitwise left and right shift expressions during initialization.
The carry propagation logic computes the carry from the adjacent 32-bit word using BITS_PER_TYPE(u32) - shift. A zero shift operand turns this into a 32-bit shift, which is undefined behaviour.
Reject zero shift operands in the control plane, alongside the existing check for values greater than or equal to 32, so malformed rules never reach the packet path.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernelUpgrade kernel-toolsUpgrade python-perf-debuginfoUpgrade python-perfUpgrade kernel-livepatch-5.10.258-257.1041Upgrade perf-debuginfoUpgrade kernel-livepatch-5.15.209-147.245Upgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfo | Jun 23, 2026 | Jun 23, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.18-debuginfoUpgrade kernel6.18-develUpgrade python3-perf6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade python3-perf6.18-debuginfoUpgrade bpftool6.18Upgrade kernel6.18-tools-debuginfoUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade perf6.18Upgrade perf6.18-debuginfoUpgrade kernel6.18-modules-extra-commonUpgrade kernel6.18Upgrade kernel6.18-tools-develUpgrade kernel6.18-modules-extraUpgrade kernel-livepatch-6.18.30-61.116Upgrade kernel6.18-headersUpgrade kernel6.18-tools | Jun 23, 2026 | May 27, 2026 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 5, 2026 | Jul 5, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 27, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-5.15.0-1117-azure-fdeUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-5.15.0-1095-gkeopUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-28-genericUpgrade linux-image-azure-cvmUpgrade linux-image-fips-5.15Upgrade linux-image-gcp-7.0Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oem-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-realtime-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-realtimeUpgrade linux-image-virtualUpgrade linux-image-oem-22.04aUpgrade linux-image-virtual-7.0Upgrade linux-image-raspi-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-azure-fipsUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-aws-64k-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-6.8.0-136-fipsUpgrade linux-image-5.15.0-1112-gcp-fipsUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1053-nvidia-tegra-igxUpgrade linux-image-5.15.0-1104-kvmUpgrade linux-image-5.15.0-1111-realtimeUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-ibm-classicUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-gke-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-gkeUpgrade linux-image-ibm-6.8Upgrade linux-image-aws-7.0Upgrade linux-image-aws-fipsUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1106-ibmUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-5.15.0-1107-nvidia-lowlatencyUpgrade linux-image-generic-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-7.0.0-1007-oracleUpgrade linux-image-5.15.0-1112-gcpUpgrade linux-image-aws-lts-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-ibm-5.15Upgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-aws-64k-7.0Upgrade linux-image-azure-fde-5.15Upgrade linux-image-generic-64k-6.8Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-awsUpgrade linux-image-oracle-7.0Upgrade linux-image-raspi-nolpaeUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1112-aws-fipsUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-fipsUpgrade linux-image-lowlatency-5.15Upgrade linux-image-5.15.0-1117-azureUpgrade linux-image-ibmUpgrade linux-image-lowlatencyUpgrade linux-image-genericUpgrade linux-image-5.15.0-1107-intel-iotgUpgrade linux-image-gcp-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1112-awsUpgrade linux-image-7.0.0-1009-ibmUpgrade linux-image-5.15.0-1075-xilinx-zynqmpUpgrade linux-image-5.15.0-184-lowlatency-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-oracleUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-7.0.0-1008-awsUpgrade linux-image-7.0.0-27-genericUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-azure-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-xilinx-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-5.15.0-1109-oracleUpgrade linux-image-5.15.0-1064-nvidia-tegraUpgrade linux-image-5.15.0-1053-nvidia-tegra-igx-rtUpgrade linux-image-oracle-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-laptop-23.10Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-virtual-6.8Upgrade linux-image-aws-fips-5.15Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-7.0Upgrade linux-image-aws-lts-24.04Upgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-186-generic-lpaeUpgrade linux-image-xilinxUpgrade linux-image-raspi-realtimeUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-7.0Upgrade linux-image-kvm-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-gcp-fipsUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-azure-6.8Upgrade linux-image-azureUpgrade linux-image-aws-6.8Upgrade linux-image-7.0.0-1007-gcp-64kUpgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-5.15.0-184-lowlatencyUpgrade linux-image-realtime-6.8.1Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-7.0Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-gke-6.8Upgrade linux-image-oem-24.04cUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1013-nvidia-64kUpgrade linux-image-fips-6.8Upgrade linux-image-5.15.0-1108-gkeUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-gke-64kUpgrade linux-image-5.15.0-1107-nvidiaUpgrade linux-image-gcpUpgrade linux-image-5.15.0-186-genericUpgrade linux-image-generic-64k-5.15Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-5.15.0-1112-aws-64kUpgrade linux-image-5.15.0-1106-raspiUpgrade linux-image-oem-26.04aUpgrade linux-image-oem-24.04dUpgrade linux-image-intelUpgrade linux-image-ibm-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-nvidia-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-oem-22.04bUpgrade linux-image-generic-64kUpgrade linux-image-generic-6.8Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-5.15.0-186-fipsUpgrade linux-image-5.15.0-1104-intel-iot-realtimeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-oem-20.04cUpgrade linux-image-oem-26.04Upgrade linux-image-oem-22.04dUpgrade linux-image-kvmUpgrade linux-image-gkeop-5.15Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-realtime-64kUpgrade linux-image-oracle-5.15Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-5.15.0-1117-azure-fipsUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-oem-20.04bUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-azure-5.15Upgrade linux-image-7.0.0-1014-raspi-realtimeUpgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-5.15.0-186-generic-64kUpgrade linux-image-virtual-5.15Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-generic-64k-7.0Upgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-7.0.0-1014-raspiUpgrade linux-image-7.0.0-1008-oemUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-5.15.0-1064-nvidia-tegra-rtUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspi-6.8Upgrade linux-image-oracle-64k | Jul 1, 2026 | May 27, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 8, 2026 | May 27, 2026 |
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