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9.4
CVE-2025-21945: Linux kernel may let attackers execute code
CVE-2025-21945 · published 1 day ago
Summary
The Linux kernel packages for Ubuntu 24.04, including the standard, Oracle, and NVIDIA variants, contain a flaw that could allow an attacker to run their own code on the system. This could lead to unauthorized access or control of the server. Install the latest patched kernel versions provided by your distribution as soon as possible.
What to do
- Update canonical linux-nvidia to version 6.8.0-1039.42.
- Update canonical linux-nvidia-6.11 to version 6.11.0-1012.12.
- Update canonical linux-nvidia-lowlatency to version 6.8.0-1039.42.1.
- Update canonical linux-nvidia-tegra to version 6.8.0-1010.10.
- Update canonical linux-oem-6.11 to version 6.11.0-1024.24.
- Update canonical linux-oracle to version 6.8.0-1037.38.
- Update canonical linux-raspi to version 6.8.0-1039.43.
- Update canonical linux-xilinx to version 6.8.0-1018.19.
- Update canonical linux-aws-fips to version 6.8.0-1039.41+fips1.
- Update canonical linux-azure-fips to version 6.8.0-1040.46+fips1.
- Update canonical linux-fips to version 6.8.0-84.84+fips1.
- Update canonical linux-gcp-fips to version 6.8.0-1040.42+fips1.
- Update canonical linux-raspi-realtime to version 6.8.0-2030.31.
- Update canonical linux-realtime to version 6.8.1-1034.35.
- Update canonical linux-aws-6.8 to version 6.8.0-1039.41~22.04.1.
- Update canonical linux-azure-6.8 to version 6.8.0-1036.42~22.04.1.
- Update canonical linux-gcp-6.8 to version 6.8.0-1040.42~22.04.1.
- Update canonical linux-hwe-6.8 to version 6.8.0-85.85~22.04.1.
- Update canonical linux-ibm-6.8 to version 6.8.0-1037.37~22.04.1.
- Update canonical linux-lowlatency-hwe-6.8 to version 6.8.0-84.84.1~22.04.1.
- Update canonical linux-nvidia-6.8 to version 6.8.0-1039.42~22.04.1.
- Update canonical linux-oracle-6.8 to version 6.8.0-1037.38~22.04.1.
- Update canonical linux-riscv-6.8 to version 6.8.0-84.84~22.04.1.
- Update canonical linux-realtime-6.8 to version 6.8.1-1034.35~22.04.1.
- Update canonical linux to version 6.8.0-84.84.
- Update canonical linux-aws to version 6.8.0-1039.41.
- Update canonical linux-azure to version 6.8.0-1038.44.
- Update canonical linux-azure-6.11 to version 6.11.0-1018.18~24.04.1.
- Update canonical linux-azure-nvidia to version 6.8.0-1025.27.
- Update canonical linux-gcp to version 6.8.0-1040.42.
- Update canonical linux-gcp-6.11 to version 6.11.0-1016.16~24.04.1.
- Update canonical linux-gke to version 6.8.0-1036.40.
- Update canonical linux-gkeop to version 6.8.0-1023.25.
- Update canonical linux-hwe-6.11 to version 6.11.0-28.28~24.04.1.
- Update canonical linux-ibm to version 6.8.0-1037.37.
- Update canonical linux-lowlatency to version 6.8.0-84.84.1.
- Update canonical linux-lowlatency-hwe-6.11 to version 6.11.0-1015.16~24.04.2.
- Update canonical rootio-linux to version 5.15.0-185.195.root.io.101.
- Update canonical rootio-linux to version 5.15.0-186.196.root.io.103.
- Update canonical rootio-linux to version 5.15.0-186.196.aikido.104.
- Update canonical linux to version 6.8.0-138.138.aikido.87.
- Update canonical rootio-linux to version 6.8.0-138.138.aikido.87.
- Update linux to version 6.8.0-146.146.aikido.89.
- Update rootio-linux to version 6.8.0-146.146.aikido.89.
- Update linux to version 5.15.0-198.208.aikido.116.
- Update rootio-linux to version 5.15.0-198.208.aikido.116.
- Update linux to version 6.8.0-147.147.aikido.90.
- Update rootio-linux to version 6.8.0-147.147.aikido.90.
- Update linux linux to version 410ce35a2ed6d0e114132bba29af49b69880c8c7 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | linux | linux_kernel |
>= 5.15, < 6.1.131 >= 6.2, < 6.6.83 >= 6.7, < 6.12.19 >= 6.13, < 6.13.7 6.14 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Ubuntu:Pro:18.04:LTS | canonical | linux-oracle | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia |
< 6.8.0-1039.42 Fix: upgrade to 6.8.0-1039.42
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-6.11 |
< 6.11.0-1012.12 Fix: upgrade to 6.11.0-1012.12
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-lowlatency |
< 6.8.0-1039.42.1 Fix: upgrade to 6.8.0-1039.42.1
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-tegra |
< 6.8.0-1010.10 Fix: upgrade to 6.8.0-1010.10
|
| Ubuntu:24.04:LTS | canonical | linux-oem-6.11 |
< 6.11.0-1024.24 Fix: upgrade to 6.11.0-1024.24
|
| Ubuntu:24.04:LTS | canonical | linux-oem-6.8 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle |
< 6.8.0-1037.38 Fix: upgrade to 6.8.0-1037.38
|
| Ubuntu:24.04:LTS | canonical | linux-raspi |
< 6.8.0-1039.43 Fix: upgrade to 6.8.0-1039.43
|
| Ubuntu:24.04:LTS | canonical | linux-raspi-realtime | All versions |
| Ubuntu:24.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:24.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:24.04:LTS | canonical | linux-xilinx |
< 6.8.0-1018.19 Fix: upgrade to 6.8.0-1018.19
|
| Ubuntu:Nvidia-BlueField:24.04:LTS | canonical | linux-bluefield | All versions |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-aws-fips |
< 6.8.0-1039.41+fips1 Fix: upgrade to 6.8.0-1039.41+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-azure-fips |
< 6.8.0-1040.46+fips1 Fix: upgrade to 6.8.0-1040.46+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-fips |
< 6.8.0-84.84+fips1 Fix: upgrade to 6.8.0-84.84+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-gcp-fips |
< 6.8.0-1040.42+fips1 Fix: upgrade to 6.8.0-1040.42+fips1
|
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-raspi-realtime |
< 6.8.0-2030.31 Fix: upgrade to 6.8.0-2030.31
|
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-realtime |
< 6.8.1-1034.35 Fix: upgrade to 6.8.1-1034.35
|
| – | linux | linux |
< 410ce35a2ed6d0e114132bba29af49b69880c8c7 5.15 |
| Ubuntu:18.04:LTS | canonical | linux-hwe | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-hwe-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oem | All versions |
| Ubuntu:Pro:14.04:LTS | canonical | linux | All versions |
| Ubuntu:Pro:14.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:Pro:14.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:Pro:14.04:LTS | canonical | linux-lts-xenial | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-aws-hwe | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-hwe | All versions |
| Ubuntu:16.04:LTS | canonical | linux-hwe-edge | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-kvm | All versions |
| Ubuntu:Pro:16.04:LTS | canonical | linux-oracle | All versions |
| Ubuntu:Pro:FIPS:16.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-aws-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-aws-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-azure-4.15 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-azure-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-azure-edge | All versions |
Showing 50 of 222. Show the rest
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:18.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-gcp-4.15 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gcp-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-gcp-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-4.15 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gke-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-gkeop-5.4 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-hwe-edge | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-ibm-5.4 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-kvm | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.0 | All versions |
| Ubuntu:18.04:LTS | canonical | linux-oracle-5.3 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-oracle-5.4 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-raspi-5.4 | All versions |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:FIPS:18.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS:18.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS:18.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS:18.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-aws-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-aws-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-azure-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-azure-fde | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-azure-fde-5.15 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-bluefield | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-gcp-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.8 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gke-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gkeop-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-hwe-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-hwe-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-ibm | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-ibm-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-intel-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-intel-iotg-5.15 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-iot | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-kvm | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-lowlatency-hwe-5.15 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-nvidia-tegra-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.10 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.13 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.14 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oem-5.6 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-oracle | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.13 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-oracle-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-oracle-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-raspi | All versions |
| Ubuntu:20.04:LTS | canonical | linux-raspi2 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.11 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-riscv-5.15 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-riscv-5.8 | All versions |
| Ubuntu:Pro:20.04:LTS | canonical | linux-xilinx-zynqmp | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS:20.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:22.04:LTS | canonical | linux | All versions |
| Ubuntu:22.04:LTS | canonical | linux-allwinner-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-aws-6.8 |
< 6.8.0-1039.41~22.04.1 Fix: upgrade to 6.8.0-1039.41~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-6.8 |
< 6.8.0-1036.42~22.04.1 Fix: upgrade to 6.8.0-1036.42~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-azure-fde | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-azure-fde-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gcp-6.8 |
< 6.8.0-1040.42~22.04.1 Fix: upgrade to 6.8.0-1040.42~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-gke | All versions |
| Ubuntu:22.04:LTS | canonical | linux-gkeop | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-hwe-6.8 |
< 6.8.0-85.85~22.04.1 Fix: upgrade to 6.8.0-85.85~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-ibm | All versions |
| Ubuntu:22.04:LTS | canonical | linux-ibm-6.8 |
< 6.8.0-1037.37~22.04.1 Fix: upgrade to 6.8.0-1037.37~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-intel-iot-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-intel-iotg | All versions |
| Ubuntu:22.04:LTS | canonical | linux-kvm | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-lowlatency-hwe-6.8 |
< 6.8.0-84.84.1~22.04.1 Fix: upgrade to 6.8.0-84.84.1~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-6.8 |
< 6.8.0-1039.42~22.04.1 Fix: upgrade to 6.8.0-1039.42~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-nvidia-tegra | All versions |
| Ubuntu:22.04:LTS | canonical | linux-nvidia-tegra-igx | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-5.17 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.0 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.1 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oem-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle-6.8 |
< 6.8.0-1037.38~22.04.1 Fix: upgrade to 6.8.0-1037.38~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-raspi | All versions |
| Ubuntu:22.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-riscv-6.8 |
< 6.8.0-84.84~22.04.1 Fix: upgrade to 6.8.0-84.84~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-starfive-5.19 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.2 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-starfive-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-xilinx-zynqmp | All versions |
| Ubuntu:Nvidia-BlueField:22.04:LTS | canonical | linux-bluefield | All versions |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | canonical | linux-aws-fips | All versions |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | canonical | linux-azure-fips | All versions |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | canonical | linux-fips | All versions |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | canonical | linux-gcp-fips | All versions |
| Ubuntu:Pro:Realtime:22.04:LTS | canonical | linux-intel-iot-realtime | All versions |
| Ubuntu:Pro:Realtime:22.04:LTS | canonical | linux-realtime | All versions |
| Ubuntu:Pro:Realtime:22.04:LTS | canonical | linux-realtime-6.8 |
< 6.8.1-1034.35~22.04.1 Fix: upgrade to 6.8.1-1034.35~22.04.1
|
| Ubuntu:24.04:LTS | canonical | linux |
< 6.8.0-84.84 Fix: upgrade to 6.8.0-84.84
|
| Ubuntu:24.04:LTS | canonical | linux-aws |
< 6.8.0-1039.41 Fix: upgrade to 6.8.0-1039.41
|
| Ubuntu:24.04:LTS | canonical | linux-azure |
< 6.8.0-1038.44 Fix: upgrade to 6.8.0-1038.44
|
| Ubuntu:24.04:LTS | canonical | linux-azure-6.11 |
< 6.11.0-1018.18~24.04.1 Fix: upgrade to 6.11.0-1018.18~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-azure-nvidia |
< 6.8.0-1025.27 Fix: upgrade to 6.8.0-1025.27
|
| Ubuntu:24.04:LTS | canonical | linux-gcp |
< 6.8.0-1040.42 Fix: upgrade to 6.8.0-1040.42
|
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.11 |
< 6.11.0-1016.16~24.04.1 Fix: upgrade to 6.11.0-1016.16~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-gke |
< 6.8.0-1036.40 Fix: upgrade to 6.8.0-1036.40
|
| Ubuntu:24.04:LTS | canonical | linux-gkeop |
< 6.8.0-1023.25 Fix: upgrade to 6.8.0-1023.25
|
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.11 |
< 6.11.0-28.28~24.04.1 Fix: upgrade to 6.11.0-28.28~24.04.1
|
| Ubuntu:24.04:LTS | canonical | linux-ibm |
< 6.8.0-1037.37 Fix: upgrade to 6.8.0-1037.37
|
| Ubuntu:24.04:LTS | canonical | linux-intel | All versions |
| Ubuntu:24.04:LTS | canonical | linux-lowlatency |
< 6.8.0-84.84.1 Fix: upgrade to 6.8.0-84.84.1
|
| Ubuntu:24.04:LTS | canonical | linux-lowlatency-hwe-6.11 |
< 6.11.0-1015.16~24.04.2 Fix: upgrade to 6.11.0-1015.16~24.04.2
|
| Root:Ubuntu:22.04 | canonical | rootio-linux |
< 5.15.0-185.195.root.io.101 < 5.15.0-186.196.root.io.103 < 5.15.0-186.196.aikido.104 Fix: upgrade to 5.15.0-185.195.root.io.101
|
| Root:Ubuntu:24.04 | canonical | linux |
< 6.8.0-138.138.aikido.87 Fix: upgrade to 6.8.0-138.138.aikido.87
|
| Root:Ubuntu:24.04 | canonical | rootio-linux |
< 6.8.0-138.138.aikido.87 Fix: upgrade to 6.8.0-138.138.aikido.87
|
| Root:Ubuntu:24.04 | – | linux |
< 6.8.0-146.146.aikido.89 < 6.8.0-147.147.aikido.90 Fix: upgrade to 6.8.0-146.146.aikido.89
|
| Root:Ubuntu:24.04 | – | rootio-linux |
< 6.8.0-146.146.aikido.89 < 6.8.0-147.147.aikido.90 Fix: upgrade to 6.8.0-146.146.aikido.89
|
| Root:Ubuntu:22.04 | – | linux |
< 5.15.0-198.208.aikido.116 Fix: upgrade to 5.15.0-198.208.aikido.116
|
| Root:Ubuntu:22.04 | – | rootio-linux |
< 5.15.0-198.208.aikido.116 Fix: upgrade to 5.15.0-198.208.aikido.116
|
Original advisory text
CVE-2025-21945 in linux - Patched by Root
Root has patched CVE-2025-21945 in the linux package for Root:Ubuntu:24.04. Multiple fixed versions available.
References
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://git.kernel.org/stable/c/a0609097fd10d618aed4864038393dd75131289e Third Party Advisory
- https://ubuntu.com/security/notices/USN-7809-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7801-3 Vendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-21945 Third Party Advisory
- https://ubuntu.com/security/notices/USN-7605-1 Vendor Advisory
- https://ubuntu.com/security/CVE-2025-21945 Third Party Advisory
- https://git.kernel.org/linus/84d2d1641b71dec326e8736a749b7ee76a9599fc Third Party Advisory
- https://ubuntu.com/security/notices/USN-7606-1 Vendor Advisory
- https://git.kernel.org/stable/c/410ce35a2ed6d0e114132bba29af49b69880c8c7 Third Party Advisory
- https://git.kernel.org/stable/c/636e021646cf9b52ddfea7c809b018e91f2188cb Third Party Advisory
- https://git.kernel.org/stable/c/84d2d1641b71dec326e8736a749b7ee76a9599fc Third Party Advisory
- https://git.kernel.org/stable/c/8573571060ca466cbef2c6f03306b2cc7b883506 Third Party Advisory
- https://ubuntu.com/security/notices/USN-7628-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7764-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7765-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7766-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7779-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7767-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7790-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7605-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7767-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7764-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7800-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7801-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7802-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7801-2 Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
9.4
Critical
Type
CWE-416Use After Free
Timeline
Published13 Oct 2026
Updated14 Oct 2026
First seen7 Mar 2026
Track software like this
Free during beta