CVE-2026-64413
Fixed in a distro release EPSS <1%CVSS 7.0
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko reports: looking at ebtables table translation, could a sparse cpu_possible_mask lead to an uninitialized pointer free? If cpu_possible_mask is sparse (for example, CPU 0 and CPU 2 are possible, but CPU 1 is not), the allocation loop skips CPU 1. If vmalloc_node() fails at CPU 2, the cleanup loop will blindly decrement and call vfree() on newinfo->chainstack[1]. Not a real-world bug, such allocation isn't expected to fail in the first place.
Products: Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | linux | 6.1.180-1 |
| Debian 12 | linux-6.12 | 6.12.100-1~deb12u1 |
| Debian 13 | linux | 6.12.100-1 |
| Debian 14 | linux | 7.1.4-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure | no fix |
| Ubuntu 18.04 LTS | linux-azure-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure-edge | no fix |
| Ubuntu 18.04 LTS | linux-gcp | no fix |
| Ubuntu 18.04 LTS | linux-gcp-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-gke-4.15 | no fix |
| Ubuntu 18.04 LTS | linux-gke-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-hwe | no fix |
| Ubuntu 18.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-oem | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-fde | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-gke | no fix |
| Ubuntu 20.04 LTS | linux-gke-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-gkeop | no fix |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.10 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.14 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.6 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-raspi2 | no fix |
| Ubuntu 20.04 LTS | linux-riscv | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | no fix |
| Ubuntu 22.04 LTS | linux | 5.15.0-198.208 |
| Ubuntu 22.04 LTS | linux-allwinner-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1117.124 |
| Ubuntu 22.04 LTS | linux-aws-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1123.132 |
| Ubuntu 22.04 LTS | linux-azure-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1122.131 |
| Ubuntu 22.04 LTS | linux-azure-fde-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1118.128 |
| Ubuntu 22.04 LTS | linux-gcp-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1113.119 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1100.108 |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1111.115 |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-intel-iot-realtime | no fix |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1112.118 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1109.114 |
| Ubuntu 22.04 LTS | linux-lowlatency | 5.15.0-195.205 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1112.113 |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | no fix |
| Ubuntu 22.04 LTS | linux-oem-5.17 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.0 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.1 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1114.120 |
| Ubuntu 22.04 LTS | linux-oracle-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-raspi | no fix |
| Ubuntu 22.04 LTS | linux-realtime | no fix |
| Ubuntu 22.04 LTS | linux-riscv | no fix |
| Ubuntu 22.04 LTS | linux-riscv-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-riscv-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-riscv-6.8 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1080.84 |
| Ubuntu 24.04 LTS | linux | 6.8.0-147.147 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1067.70 |
| Ubuntu 24.04 LTS | linux-aws-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-aws-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-aws-7.0 | 7.0.0-1012.12~24.04.1 |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1071.79 |
| Ubuntu 24.04 LTS | linux-azure-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-azure-7.0 | 7.0.0-1014.14~24.04.1 |
| Ubuntu 24.04 LTS | linux-azure-fde | 6.8.0-1069.76 |
| Ubuntu 24.04 LTS | linux-azure-fde-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-azure-fde-7.0 | 7.0.0-1013.13~24.04.1 |
| Ubuntu 24.04 LTS | linux-azure-nvidia | no fix |
| Ubuntu 24.04 LTS | linux-azure-nvidia-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1071.79 |
| Ubuntu 24.04 LTS | linux-gcp-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-gcp-7.0 | 7.0.0-1011.11~24.04.1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1066.74 |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1052.56 |
| Ubuntu 24.04 LTS | linux-hwe-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-hwe-7.0 | 7.0.0-31.31~24.04.1 |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1067.68 |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-147.147.1 |
| Ubuntu 24.04 LTS | linux-lowlatency-hwe-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-7.0 | 7.0.0-1018.18~24.04.1 |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1036.39 |
| Ubuntu 24.04 LTS | linux-oem-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-oem-6.8 | no fix |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1064.67 |
| Ubuntu 24.04 LTS | linux-oracle-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-oracle-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-oracle-7.0 | 7.0.0-1011.11~24.04.1 |
| Ubuntu 24.04 LTS | linux-raspi | no fix |
| Ubuntu 24.04 LTS | linux-raspi-realtime | no fix |
| Ubuntu 24.04 LTS | linux-realtime | no fix |
| Ubuntu 24.04 LTS | linux-riscv | no fix |
| Ubuntu 24.04 LTS | linux-riscv-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-riscv-6.17 | no fix |
| Ubuntu 24.04 LTS | linux-riscv-7.0 | 7.0.0-31.31.1~24.04.1 |
| Ubuntu 24.04 LTS | linux-xilinx | no fix |
| Ubuntu 26.04 LTS | linux | 7.0.0-31.31 |
| Ubuntu 26.04 LTS | linux-aws | 7.0.0-1012.12 |
| Ubuntu 26.04 LTS | linux-azure | 7.0.0-1014.14 |
| Ubuntu 26.04 LTS | linux-azure-fde | 7.0.0-1013.13 |
| Ubuntu 26.04 LTS | linux-gcp | 7.0.0-1011.11 |
| Ubuntu 26.04 LTS | linux-gke | 7.0.0-1006.7 |
| Ubuntu 26.04 LTS | linux-ibm | 7.0.0-1013.13 |
| Ubuntu 26.04 LTS | linux-nvidia | 7.0.0-1018.18 |
| Ubuntu 26.04 LTS | linux-nvidia-bos | 7.0.0-2018.18 |
| Ubuntu 26.04 LTS | linux-oem-7.0 | 7.0.0-1013.13 |
| Ubuntu 26.04 LTS | linux-oracle | 7.0.0-1011.11 |
| Ubuntu 26.04 LTS | linux-raspi | 7.0.0-1019.19 |
| Ubuntu 26.04 LTS | linux-realtime | 7.0.0-31.31.1 |
| Ubuntu 26.04 LTS | linux-riscv | 7.0.0-31.31.1 |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1101.103 |
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | 6.8.0-1033.38 |
| Ubuntu Pro 14.04 LTS | linux | no fix |
| Ubuntu Pro 14.04 LTS | linux-aws | no fix |
| Ubuntu Pro 14.04 LTS | linux-azure | no fix |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | no fix |
| Ubuntu Pro 16.04 LTS | linux | no fix |
| Ubuntu Pro 16.04 LTS | linux-aws | no fix |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | no fix |
| Ubuntu Pro 16.04 LTS | linux-azure | no fix |
| Ubuntu Pro 16.04 LTS | linux-gcp | no fix |
| Ubuntu Pro 16.04 LTS | linux-hwe | no fix |
| Ubuntu Pro 16.04 LTS | linux-kvm | no fix |
| Ubuntu Pro 16.04 LTS | linux-oracle | no fix |
| Ubuntu Pro 18.04 LTS | linux | no fix |
| Ubuntu Pro 18.04 LTS | linux-aws | no fix |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-azure-4.15 | no fix |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-gcp-4.15 | no fix |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-kvm | no fix |
| Ubuntu Pro 18.04 LTS | linux-oracle | no fix |
| Ubuntu Pro 18.04 LTS | linux-oracle-5.4 | no fix |
| Ubuntu Pro 18.04 LTS | linux-raspi-5.4 | no fix |
| Ubuntu Pro 20.04 LTS | linux | no fix |
| Ubuntu Pro 20.04 LTS | linux-aws | no fix |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | 5.15.0-1117.124~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-azure | no fix |
| Ubuntu Pro 20.04 LTS | linux-azure-5.15 | 5.15.0-1123.132~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1122.131~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-bluefield | no fix |
| Ubuntu Pro 20.04 LTS | linux-gcp | no fix |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | 5.15.0-1118.128~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 | 5.15.0-198.208~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-ibm | no fix |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | 5.15.0-1111.115~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1112.118~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-iot | no fix |
| Ubuntu Pro 20.04 LTS | linux-kvm | no fix |
| Ubuntu Pro 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-195.205~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-nvidia-tegra-5.15 | no fix |
| Ubuntu Pro 20.04 LTS | linux-oracle | no fix |
| Ubuntu Pro 20.04 LTS | linux-oracle-5.15 | 5.15.0-1114.120~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-raspi | no fix |
| Ubuntu Pro 20.04 LTS | linux-riscv-5.15 | 5.15.0-1111.115~20.04.1 |
| Ubuntu Pro 20.04 LTS | linux-xilinx-zynqmp | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1117.124+fips1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1123.132+fips1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-198.208+fips1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1118.128+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-aws-fips | 6.8.0-1067.70+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | 6.8.0-1071.79+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-147.147+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | 6.8.0-1071.79+fips1 |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS 18.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS 18.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips | no fix |
| Ubuntu Pro FIPS 20.04 LTS | linux-azure-fips | no fix |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips | no fix |
| Ubuntu Pro FIPS 20.04 LTS | linux-gcp-fips | no fix |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1109.111 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1116.125 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1062.63 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.17 | no fix |
| openSUSE Tumbleweed | kernel-source | 7.1.7-1.1 |