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CVE-2026-47337

Fixed in a distro release EPSS <1%CVSS 3.3

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AF_INET/AF_INET6 socket mediation. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.

Published 2026-05-28 · CVE record · OSV

Products: canonical ubuntu_linux

Distro releases

ReleasePackageFixed in
Ubuntu:16.04:LTSlinux-hwe-edgeno fix
Ubuntu:18.04:LTSlinux-aws-5.0no fix
Ubuntu:18.04:LTSlinux-aws-5.3no fix
Ubuntu:18.04:LTSlinux-azureno fix
Ubuntu:18.04:LTSlinux-azure-5.3no fix
Ubuntu:18.04:LTSlinux-azure-edgeno fix
Ubuntu:18.04:LTSlinux-gcpno fix
Ubuntu:18.04:LTSlinux-gcp-5.3no fix
Ubuntu:18.04:LTSlinux-gke-4.15no fix
Ubuntu:18.04:LTSlinux-gke-5.4no fix
Ubuntu:18.04:LTSlinux-gkeop-5.4no fix
Ubuntu:18.04:LTSlinux-hweno fix
Ubuntu:18.04:LTSlinux-hwe-edgeno fix
Ubuntu:18.04:LTSlinux-oemno fix
Ubuntu:18.04:LTSlinux-oracle-5.0no fix
Ubuntu:18.04:LTSlinux-oracle-5.3no fix
Ubuntu:20.04:LTSlinux-aws-5.11no fix
Ubuntu:20.04:LTSlinux-aws-5.13no fix
Ubuntu:20.04:LTSlinux-aws-5.8no fix
Ubuntu:20.04:LTSlinux-azure-5.11no fix
Ubuntu:20.04:LTSlinux-azure-5.13no fix
Ubuntu:20.04:LTSlinux-azure-5.8no fix
Ubuntu:20.04:LTSlinux-azure-fdeno fix
Ubuntu:20.04:LTSlinux-gcp-5.11no fix
Ubuntu:20.04:LTSlinux-gcp-5.13no fix
Ubuntu:20.04:LTSlinux-gcp-5.8no fix
Ubuntu:20.04:LTSlinux-gkeno fix
Ubuntu:20.04:LTSlinux-gke-5.15no fix
Ubuntu:20.04:LTSlinux-gkeopno fix
Ubuntu:20.04:LTSlinux-gkeop-5.15no fix
Ubuntu:20.04:LTSlinux-hwe-5.11no fix
Ubuntu:20.04:LTSlinux-hwe-5.13no fix
Ubuntu:20.04:LTSlinux-hwe-5.8no fix
Ubuntu:20.04:LTSlinux-intel-5.13no fix
Ubuntu:20.04:LTSlinux-oem-5.10no fix
Ubuntu:20.04:LTSlinux-oem-5.13no fix
Ubuntu:20.04:LTSlinux-oem-5.14no fix
Ubuntu:20.04:LTSlinux-oem-5.6no fix
Ubuntu:20.04:LTSlinux-oracle-5.11no fix
Ubuntu:20.04:LTSlinux-oracle-5.13no fix
Ubuntu:20.04:LTSlinux-oracle-5.8no fix
Ubuntu:20.04:LTSlinux-raspi2no fix
Ubuntu:20.04:LTSlinux-riscvno fix
Ubuntu:20.04:LTSlinux-riscv-5.11no fix
Ubuntu:20.04:LTSlinux-riscv-5.8no fix
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix
Ubuntu:22.04:LTSlinux-aws-5.19no fix
Ubuntu:22.04:LTSlinux-aws-6.2no fix
Ubuntu:22.04:LTSlinux-aws-6.5no fix
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1057.60~22.04.1
Ubuntu:22.04:LTSlinux-azure-5.19no fix
Ubuntu:22.04:LTSlinux-azure-6.2no fix
Ubuntu:22.04:LTSlinux-azure-6.5no fix
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1059.65~22.04.1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix
Ubuntu:22.04:LTSlinux-gcp-6.2no fix
Ubuntu:22.04:LTSlinux-gcp-6.5no fix
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1060.63~22.04.1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix
Ubuntu:22.04:LTSlinux-hwe-6.2no fix
Ubuntu:22.04:LTSlinux-hwe-6.5no fix
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-124.124~22.04.1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1057.58~22.04.1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-134.134.1~22.04.1
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1055.58~22.04.1
Ubuntu:22.04:LTSlinux-oem-5.17no fix
Ubuntu:22.04:LTSlinux-oem-6.0no fix
Ubuntu:22.04:LTSlinux-oem-6.1no fix
Ubuntu:22.04:LTSlinux-oem-6.5no fix
Ubuntu:22.04:LTSlinux-oracle-6.5no fix
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1054.55~22.04.1
Ubuntu:22.04:LTSlinux-realtimeno fix
Ubuntu:22.04:LTSlinux-riscvno fix
Ubuntu:22.04:LTSlinux-riscv-5.19no fix
Ubuntu:22.04:LTSlinux-riscv-6.5no fix
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-124.124~22.04.1
Ubuntu:22.04:LTSlinux-starfive-5.19no fix
Ubuntu:22.04:LTSlinux-starfive-6.2no fix
Ubuntu:22.04:LTSlinux-starfive-6.5no fix
Ubuntu:24.04:LTSlinux6.8.0-124.124
Ubuntu:24.04:LTSlinux-aws6.8.0-1057.60
Ubuntu:24.04:LTSlinux-aws-6.14no fix
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1017.17~24.04.1
Ubuntu:24.04:LTSlinux-azure6.8.0-1058.64
Ubuntu:24.04:LTSlinux-azure-6.11no fix
Ubuntu:24.04:LTSlinux-azure-6.176.17.0-1017.17~24.04.1
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65
Ubuntu:24.04:LTSlinux-azure-nvidiano fix
Ubuntu:24.04:LTSlinux-gcp6.8.0-1060.63
Ubuntu:24.04:LTSlinux-gcp-6.11no fix
Ubuntu:24.04:LTSlinux-gcp-6.14no fix
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1018.19~24.04.1
Ubuntu:24.04:LTSlinux-gke6.8.0-1055.61
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1042.45
Ubuntu:24.04:LTSlinux-hwe-6.11no fix
Ubuntu:24.04:LTSlinux-hwe-6.14no fix
Ubuntu:24.04:LTSlinux-hwe-6.176.17.0-35.35~24.04.1
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-28.28~24.04.1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1057.58
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-134.134.1
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1055.58
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1021.21
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1055.58.1
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1026.26
Ubuntu:24.04:LTSlinux-oem-6.11no fix
Ubuntu:24.04:LTSlinux-oem-6.14no fix
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1024.24
Ubuntu:24.04:LTSlinux-oem-6.8no fix
Ubuntu:24.04:LTSlinux-oracle6.8.0-1054.55
Ubuntu:24.04:LTSlinux-oracle-6.14no fix
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1016.16~24.04.1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1057.61
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix
Ubuntu:24.04:LTSlinux-realtimeno fix
Ubuntu:24.04:LTSlinux-riscvno fix
Ubuntu:24.04:LTSlinux-riscv-6.14no fix
Ubuntu:24.04:LTSlinux-riscv-6.176.17.0-35.35.1~24.04.1
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1032.33
Ubuntu:25.10linux6.17.0-35.35
Ubuntu:25.10linux-aws6.17.0-1017.17
Ubuntu:25.10linux-azure6.17.0-1017.17
Ubuntu:25.10linux-azure-fdeno fix
Ubuntu:25.10linux-gcp6.17.0-1018.19
Ubuntu:25.10linux-oracle6.17.0-1016.16
Ubuntu:25.10linux-raspi6.17.0-1018.18
Ubuntu:25.10linux-realtime6.17.0-1014.16
Ubuntu:25.10linux-riscv6.17.0-35.35.1
Ubuntu:26.04:LTSlinux7.0.0-22.22
Ubuntu:26.04:LTSlinux-aws7.0.0-1006.6
Ubuntu:26.04:LTSlinux-azure7.0.0-1007.7
Ubuntu:26.04:LTSlinux-azure-fde7.0.0-1006.6
Ubuntu:26.04:LTSlinux-gcp7.0.0-1005.5
Ubuntu:26.04:LTSlinux-ibm7.0.0-1007.7
Ubuntu:26.04:LTSlinux-nvidia7.0.0-1009.9
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1008.8
Ubuntu:26.04:LTSlinux-oracle7.0.0-1005.5
Ubuntu:26.04:LTSlinux-raspi7.0.0-1011.11
Ubuntu:26.04:LTSlinux-realtime7.0.0-22.22.1
Ubuntu:26.04:LTSlinux-riscv7.0.0-22.22.1
Ubuntu:Nvidia-BlueField:24.04:LTSlinux-bluefield6.8.0-1023.27
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-aws-fips6.8.0-1057.60+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-azure-fips6.8.0-1059.65+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-fips6.8.0-124.124+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-gcp-fips6.8.0-1060.63+fips1
Ubuntu:Pro:Realtime:22.04:LTSlinux-realtime-6.86.8.1-1052.53~22.04.1
Ubuntu:Pro:Realtime:24.04:LTSlinux-raspi-realtime6.8.0-2046.47
Ubuntu:Pro:Realtime:24.04:LTSlinux-realtime6.8.1-1052.53
Ubuntu:Pro:Realtime:24.04:LTSlinux-realtime-6.14no fix
Ubuntu:Pro:Realtime:24.04:LTSlinux-realtime-6.176.17.0-1014.16~24.04.1