CVE-2026-47330
Fixed in a distro release EPSS <1%CVSS 3.3
Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses.
Products: canonical ubuntu_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| 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-allwinner-5.19 | no fix |
| 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 | 6.8.0-1057.60~22.04.1 |
| 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 | 6.8.0-1059.65~22.04.1 |
| 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 | 6.8.0-1058.65~22.04.1 |
| 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 | 6.8.0-1060.63~22.04.1 |
| 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 | 6.8.0-124.124~22.04.1 |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | 6.8.0-1057.58~22.04.1 |
| Ubuntu 22.04 LTS | linux-intel-iot-realtime | no fix |
| 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 | 6.8.0-134.134.1~22.04.1 |
| 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 | 6.8.0-1055.58~22.04.1 |
| 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-6.5 | no fix |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1054.55~22.04.1 |
| 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 | 6.8.0-124.124~22.04.1 |
| 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 24.04 LTS | linux | 6.8.0-124.124 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1057.60 |
| Ubuntu 24.04 LTS | linux-aws-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-aws-6.17 | 6.17.0-1017.17~24.04.1 |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1058.64 |
| Ubuntu 24.04 LTS | linux-azure-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-azure-6.17 | 6.17.0-1017.17~24.04.1 |
| Ubuntu 24.04 LTS | linux-azure-fde | 6.8.0-1058.65 |
| Ubuntu 24.04 LTS | linux-azure-nvidia | no fix |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1060.63 |
| 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 | 6.17.0-1018.19~24.04.1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1055.61 |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1042.45 |
| 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 | 6.17.0-35.35~24.04.1 |
| Ubuntu 24.04 LTS | linux-hwe-7.0 | 7.0.0-28.28~24.04.1 |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1057.58 |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-134.134.1 |
| Ubuntu 24.04 LTS | linux-lowlatency-hwe-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1055.58 |
| Ubuntu 24.04 LTS | linux-nvidia-6.11 | no fix |
| Ubuntu 24.04 LTS | linux-nvidia-6.17 | 6.17.0-1021.21 |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1055.58.1 |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1026.26 |
| 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 | 6.17.0-1024.24 |
| Ubuntu 24.04 LTS | linux-oem-6.8 | no fix |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1054.55 |
| Ubuntu 24.04 LTS | linux-oracle-6.14 | no fix |
| Ubuntu 24.04 LTS | linux-oracle-6.17 | 6.17.0-1016.16~24.04.1 |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1057.61 |
| 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 | 6.17.0-35.35.1~24.04.1 |
| Ubuntu 24.04 LTS | linux-xilinx | 6.8.0-1032.33 |
| Ubuntu 25.10 | linux | 6.17.0-35.35 |
| Ubuntu 25.10 | linux-aws | 6.17.0-1017.17 |
| Ubuntu 25.10 | linux-azure | 6.17.0-1017.17 |
| Ubuntu 25.10 | linux-azure-fde | no fix |
| Ubuntu 25.10 | linux-gcp | 6.17.0-1018.19 |
| Ubuntu 25.10 | linux-oracle | 6.17.0-1016.16 |
| Ubuntu 25.10 | linux-raspi | 6.17.0-1018.18 |
| Ubuntu 25.10 | linux-realtime | 6.17.0-1014.16 |
| Ubuntu 25.10 | linux-riscv | 6.17.0-35.35.1 |
| Ubuntu 26.04 LTS | linux | 7.0.0-22.22 |
| Ubuntu 26.04 LTS | linux-aws | 7.0.0-1006.6 |
| Ubuntu 26.04 LTS | linux-azure | 7.0.0-1007.7 |
| Ubuntu 26.04 LTS | linux-azure-fde | 7.0.0-1006.6 |
| Ubuntu 26.04 LTS | linux-gcp | 7.0.0-1005.5 |
| Ubuntu 26.04 LTS | linux-ibm | 7.0.0-1007.7 |
| Ubuntu 26.04 LTS | linux-nvidia | 7.0.0-1009.9 |
| Ubuntu 26.04 LTS | linux-oem-7.0 | 7.0.0-1008.8 |
| Ubuntu 26.04 LTS | linux-oracle | 7.0.0-1005.5 |
| Ubuntu 26.04 LTS | linux-raspi | 7.0.0-1011.11 |
| Ubuntu 26.04 LTS | linux-realtime | 7.0.0-22.22.1 |
| Ubuntu 26.04 LTS | linux-riscv | 7.0.0-22.22.1 |
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | 6.8.0-1023.27 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-aws-fips | 6.8.0-1057.60+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | 6.8.0-1059.65+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-124.124+fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | 6.8.0-1060.63+fips1 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | 6.8.1-1052.53~22.04.1 |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2046.47 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1052.53 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | no fix |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.17 | 6.17.0-1014.16~24.04.1 |