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9.9
CVE-2025-21927: Linux kernel NVMe TCP can corrupt memory
CVE-2025-21927 · published 1 year ago
Summary
The Linux kernel packages from Canonical (including the HWE Edge and AWS/Azure builds) contain a flaw in the NVMe over TCP component that could let a remote server send malformed packets and overwrite memory. This could lead to system instability, crashes, or data loss. Updating to the latest kernel version that includes the fix will prevent the issue.
What to do
- Update linux kernel to version 6.13.7.
- 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 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 debian rootio-linux to version 5.10.247-1.root.io.42.
- Update debian rootio-linux to version 6.1.164-1.root.io.108.
- Update canonical rootio-linux to version 5.15.0-164.174.root.io.60.
- Update canonical rootio-linux to version 5.15.0-173.183.root.io.80.
- Update canonical rootio-linux to version 5.15.0-174.184.root.io.81.
- Update canonical rootio-linux to version 5.15.0-176.186.root.io.83.
- Update canonical rootio-linux to version 5.15.0-176.186.root.io.84.
- Update canonical rootio-linux to version 5.15.0-176.186.root.io.85.
- Update canonical rootio-linux to version 5.15.0-177.187.root.io.86.
- Update canonical rootio-linux to version 5.15.0-179.189.root.io.88.
- Update canonical rootio-linux to version 5.15.0-179.189.root.io.90.
- Update canonical rootio-linux to version 5.15.0-181.191.root.io.92.
- Update canonical rootio-linux to version 5.15.0-181.191.root.io.95.
- Update canonical rootio-linux to version 5.15.0-185.195.root.io.98.
- Update canonical rootio-linux to version 5.15.0-185.195.root.io.99.
- 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.aikido.104.
- Update canonical rootio-linux to version 5.15.0-186.196.root.io.103.
- Update canonical linux to version 5.15.0-187.197.aikido.112.
- Update canonical rootio-linux to version 5.15.0-187.197.aikido.112.
- Update canonical rootio-linux to version 6.8.0-136.136.root.io.83.
- 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 9fbc953d6b38bc824392e01850f0aeee3b348722 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:16.04:LTS | canonical | linux-hwe-edge | 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: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 |
| Ubuntu:18.04:LTS | canonical | linux-gcp | 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 | All versions |
| Ubuntu:Pro:18.04:LTS | canonical | linux-hwe-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:18.04:LTS | canonical | linux-oem | 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:22.04:LTS | canonical | linux-azure | All versions |
| Ubuntu:Nvidia-BlueField:22.04:LTS | canonical | linux-bluefield | All versions |
| – | linux | linux |
< 9fbc953d6b38bc824392e01850f0aeee3b348722 5.0 |
| Linux | linux | kernel |
>= 6.13.0, < 6.13.7 Fix: upgrade to 6.13.7
|
| 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-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 |
Showing 50 of 198. Show the rest
| Ecosystem | Vendor | Product | Affected 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-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 | All versions |
| 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: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
|
| 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_kernel |
>= 5.0, < 6.12.19 >= 6.13, < 6.13.7 6.14 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Root:Debian:11 | debian | rootio-linux |
< 5.10.247-1.root.io.42 Fix: upgrade to 5.10.247-1.root.io.42
|
| Root:Debian:12 | debian | rootio-linux |
< 6.1.164-1.root.io.108 Fix: upgrade to 6.1.164-1.root.io.108
|
| Root:Ubuntu:22.04 | canonical | rootio-linux |
< 5.15.0-164.174.root.io.60 < 5.15.0-173.183.root.io.80 < 5.15.0-174.184.root.io.81 < 5.15.0-176.186.root.io.83 < 5.15.0-176.186.root.io.84 < 5.15.0-176.186.root.io.85 < 5.15.0-177.187.root.io.86 < 5.15.0-179.189.root.io.88 < 5.15.0-179.189.root.io.90 < 5.15.0-181.191.root.io.92 < 5.15.0-181.191.root.io.95 < 5.15.0-185.195.root.io.98 5 more version ranges
Fix: upgrade to 5.15.0-164.174.root.io.60
|
| Root:Ubuntu:22.04 | canonical | linux |
< 5.15.0-187.197.aikido.112 Fix: upgrade to 5.15.0-187.197.aikido.112
|
| Root:Ubuntu:24.04 | canonical | rootio-linux |
< 6.8.0-136.136.root.io.83 Fix: upgrade to 6.8.0-136.136.root.io.83
|
| 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
|
| Ubuntu:Pro:20.04:LTS | canonical | linux-azure-fde-5.15 | All versions |
Original advisory text
CVE-2025-21927 in linux - Patched by Root
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() nvme_tcp_recv_pdu() doesn't check the validity of the header length. When header digests are enabled, a target might send a packet with an invalid header length (e.g. 255), causing nvme_tcp_verify_hdgst() to access memory outside the allocated area and cause memory corruptions by overwriting it with the calculated digest. Fix this by rejecting packets with an unexpected header length.
References
- https://git.kernel.org/stable/c/22b06c89aa6b2d1ecb8aea72edfb9d53af8d5126 Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
- https://nvd.nist.gov/vuln/detail/CVE-2025-21927 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21927... Vendor Advisory
- https://ubuntu.com/security/CVE-2025-21927 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-21927 Third Party Advisory
- https://ubuntu.com/security/notices/USN-7764-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7790-1 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
- https://ubuntu.com/security/notices/USN-7809-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7801-3 Vendor Advisory
- https://git.kernel.org/stable/c/9fbc953d6b38bc824392e01850f0aeee3b348722 Third Party Advisory
- https://git.kernel.org/stable/c/ad95bab0cd28ed77c2c0d0b6e76e03e031391064 Third Party Advisory
- https://git.kernel.org/linus/ad95bab0cd28ed77c2c0d0b6e76e03e031391064 Third Party Advisory
- https://ubuntu.com/security/notices/USN-7605-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7606-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7605-2 Vendor 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-7767-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7779-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-7767-2 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
9.9
Critical
Type
CWE-787Out-of-bounds Write
Timeline
Published1 Apr 2025
Updated15 Oct 2026
First seen6 Mar 2026
Sources
CVE-2025-21927 · OSV
UBUNTU-CVE-2025-21927 · OSV
CVE-2025-21927 · NVD
CVE-2025-21927 · MITRE
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