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 python-perf-debuginfoUpgrade kernel-headersUpgrade kernel-livepatch-5.15.209-147.245Upgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade python-perfUpgrade kernel-livepatch-5.10.258-257.1041Upgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade perfUpgrade kernel-develUpgrade kernel-tools-devel | Jun 23, 2026 | Jun 23, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.18-headersUpgrade kernel6.18-toolsUpgrade kernel6.18-modules-extra-commonUpgrade kernel6.18-tools-develUpgrade kernel-livepatch-6.18.30-61.116Upgrade kernel6.18-modules-extraUpgrade kernel6.18Upgrade bpftool6.18Upgrade kernel6.18-develUpgrade perf6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-debuginfoUpgrade bpftool6.18-debuginfoUpgrade perf6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade python3-perf6.18-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-debuginfo-common-aarch64 | Jun 23, 2026 | May 27, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 5, 2026 | Jul 5, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 27, 2026 |
| Ubuntu | — | Upgrade linux-image-oem-7.0Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-7.0Upgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-fipsUpgrade linux-image-kvm-5.15Upgrade linux-image-nvidia-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-184-lowlatencyUpgrade linux-image-azure-6.8Upgrade linux-image-7.0.0-1007-gcp-64kUpgrade linux-image-azureUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-aws-fips-5.15Upgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-5.15.0-1109-oracleUpgrade linux-image-5.15.0-186-generic-lpaeUpgrade linux-image-aws-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-aws-64kUpgrade linux-image-generic-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1064-nvidia-tegraUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-20.04dUpgrade linux-image-oem-20.04bUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-azure-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-5.15.0-186-generic-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-7.0.0-1014-raspi-realtimeUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-5.15.0-1106-raspiUpgrade linux-image-intelUpgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-gcpUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-azure-7.0Upgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-virtual-6.8Upgrade linux-image-ibm-7.0Upgrade linux-image-nvidia-5.15Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-oem-24.04dUpgrade linux-image-generic-64k-5.15Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-26.04aUpgrade linux-image-5.15.0-1112-aws-64kUpgrade linux-image-5.15.0-186-genericUpgrade linux-image-xilinxUpgrade linux-image-5.15.0-1107-nvidiaUpgrade linux-image-5.15.0-1108-gkeUpgrade linux-image-raspi-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-oem-20.04cUpgrade linux-image-oem-24.04Upgrade linux-image-realtime-5.15Upgrade linux-image-5.15.0-1053-nvidia-tegra-igx-rtUpgrade linux-image-raspi-5.15Upgrade linux-image-5.15.0-1104-intel-iot-realtimeUpgrade linux-image-aws-fips-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-gkeopUpgrade linux-image-5.15.0-186-fipsUpgrade linux-image-realtime-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-1117-azure-fipsUpgrade linux-image-oem-22.04dUpgrade linux-image-oem-26.04Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-raspiUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-7.0.0-1008-oemUpgrade linux-image-7.0.0-1014-raspiUpgrade linux-image-kvmUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1064-nvidia-tegra-rtUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-laptop-23.10Upgrade linux-image-nvidia-tegraUpgrade linux-image-generic-64k-7.0Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-7.0.0-1013-nvidia-64kUpgrade linux-image-fips-6.8Upgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04aUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gke-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-virtual-7.0Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-184-lowlatency-64kUpgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-7.0.0-1008-awsUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-generic-5.15Upgrade linux-image-7.0.0-1007-oracleUpgrade linux-image-azure-fde-7.0Upgrade linux-image-azure-cvmUpgrade linux-image-fips-5.15Upgrade linux-image-7.0.0-28-genericUpgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-realtime-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-5.15.0-1117-azure-fdeUpgrade linux-image-5.15.0-1095-gkeopUpgrade linux-image-gcp-6.8Upgrade linux-image-oem-20.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidiaUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-ibm-classicUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1112-gcp-fipsUpgrade linux-image-5.15.0-1111-realtimeUpgrade linux-image-5.15.0-1104-kvmUpgrade linux-image-5.15.0-1053-nvidia-tegra-igxUpgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-5.15.0-1112-awsUpgrade linux-image-5.15.0-1107-intel-iotgUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-64k-7.0Upgrade linux-image-aws-5.15Upgrade linux-image-7.0.0-1009-ibmUpgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-5.15.0-1112-aws-fipsUpgrade linux-image-oracle-7.0Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-ibm-5.15Upgrade linux-image-fipsUpgrade linux-image-azure-fips-5.15Upgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-5.15.0-1117-azureUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-gke-5.15Upgrade linux-image-gkeUpgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-aws-7.0Upgrade linux-image-5.15.0-1107-nvidia-lowlatencyUpgrade linux-image-5.15.0-1106-ibmUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-6.8Upgrade linux-image-azure-fde-5.15Upgrade linux-image-5.15.0-1112-gcpUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-gcp-5.15Upgrade linux-image-oracleUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-ibmUpgrade linux-image-genericUpgrade linux-image-7.0.0-27-genericUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-5.15.0-1075-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-raspi-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-aws | 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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