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7.8
CVE-2025-39720: Linux kernel ksmbd can retain memory
CVE-2025-39720 · published 1 year ago
Summary
The ksmbd component in the Linux kernel may fail to release memory after a connection ends, causing a gradual buildup of unused resources. Over time this can slow down the system or lead to crashes. Apply the latest kernel updates from your Linux distribution to fix the issue.
What to do
- Update debian rootio-linux to version 6.12.63-1.root.io.64.
- Update debian rootio-linux to version 6.12.74-2.root.io.98.
- Update debian rootio-linux to version 6.1.170-1.root.io.125.
- Update canonical linux-aws-6.8 to version 6.8.0-1046.49~22.04.1.
- Update canonical linux-azure-6.8 to version 6.8.0-1051.57~22.04.1.
- Update canonical linux-gcp-6.8 to version 6.8.0-1047.50~22.04.2.
- Update canonical linux-hwe-6.8 to version 6.8.0-100.100~22.04.1.
- Update canonical linux-ibm-6.8 to version 6.8.0-1044.44~22.04.1.
- Update canonical linux-lowlatency-hwe-6.8 to version 6.8.0-100.100.1~22.04.1.
- Update canonical linux-nvidia-6.8 to version 6.8.0-1046.49~22.04.1.
- Update canonical linux-oracle-6.8 to version 6.8.0-1043.44~22.04.1.
- Update canonical linux-riscv-6.8 to version 6.8.0-100.100~22.04.1.
- Update canonical linux-realtime-6.8 to version 6.8.1-1041.42~22.04.1.
- Update canonical linux to version 6.8.0-100.100.
- Update canonical linux-aws to version 6.8.0-1046.49.
- Update canonical linux-azure to version 6.8.0-1046.52.
- Update canonical linux-gcp to version 6.8.0-1047.50.
- Update canonical linux-gke to version 6.8.0-1043.48.
- Update canonical linux-gkeop to version 6.8.0-1030.33.
- Update canonical linux-ibm to version 6.8.0-1044.44.
- Update canonical linux-lowlatency to version 6.8.0-100.100.1.
- Update canonical linux-nvidia to version 6.8.0-1046.49.
- Update canonical linux-nvidia-lowlatency to version 6.8.0-1046.49.1.
- Update canonical linux-nvidia-tegra to version 6.8.0-1020.20.
- Update canonical linux-oracle to version 6.8.0-1043.44.
- Update canonical linux-raspi to version 6.8.0-1047.51.
- Update canonical linux-xilinx to version 6.8.0-1023.24.
- Update canonical linux-aws-fips to version 6.8.0-1046.49+fips1.
- Update canonical linux-azure-fips to version 6.8.0-1046.52+fips1.
- Update canonical linux-fips to version 6.8.0-100.100+fips1.
- Update canonical linux-gcp-fips to version 6.8.0-1047.50+fips1.
- Update canonical linux-raspi-realtime to version 6.8.0-2037.38.
- Update canonical linux-realtime to version 6.8.1-1041.42.
- Update linux kernel to version 6.16.4.
- Update debian rootio-linux to version 5.10.247-1.root.io.42.
- Update debian rootio-linux to version 5.10.251-3.root.io.75.
- Update debian rootio-linux to version 6.1.159-1.root.io.75.
- Update debian rootio-linux to version 6.12.94-1.root.io.146.
- Update debian linux to version 6.12.105-1.aikido.160.
- Update debian rootio-linux to version 6.12.105-1.aikido.160.
- Update canonical linux to version 6.8.0-138.138.aikido.86.
- Update canonical rootio-linux to version 6.8.0-138.138.aikido.86.
- Update canonical linux-bluefield to version 6.8.0-1016.20.
- 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 canonical linux-azure-fde-6.8 to version 6.8.0-1046.53~22.04.1.
- Update canonical linux-azure-fde to version 6.8.0-1046.53.
- 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 to version 6.12.113-1.aikido.163.
- Update rootio-linux to version 6.12.113-1.aikido.163.
- Update linux to version 6.1.190-1.aikido.167.
- Update rootio-linux to version 6.1.190-1.aikido.167.
- Update debian linux to version 6.12.48-1.
- Update debian linux to version 6.16.5-1.
- Update linux to version 5.15.0-202.212.aikido.118.
- Update rootio-linux to version 5.15.0-202.212.aikido.118.
- Update bellsoft linux-lts to version 6.1.191-r0.
- Update bellsoft linux-lts to version 6.12.44-r0.
- Update bellsoft linux-lts to version 6.18.35-r1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | linux | linux_kernel |
>= 5.15, < 6.6.103 >= 6.7, < 6.12.44 >= 6.13, < 6.16.4 6.17 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Root:Debian:13 | debian | rootio-linux |
< 6.12.63-1.root.io.64 < 6.12.74-2.root.io.98 < 6.12.94-1.root.io.146 < 6.12.105-1.aikido.160 Fix: upgrade to 6.12.63-1.root.io.64
|
| Root:Debian:12 | debian | rootio-linux |
< 6.1.170-1.root.io.125 < 6.1.159-1.root.io.75 Fix: upgrade to 6.1.170-1.root.io.125
|
| 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-aws-hwe | 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: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: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 |
| 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:Pro:18.04:LTS | canonical | linux-hwe-5.4 | 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: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-gcp-fips | 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: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:20.04:LTS | canonical | linux-gcp-5.11 | All versions |
| Ubuntu:20.04:LTS | canonical | linux-gcp-5.13 | All versions |
Showing 50 of 192. Show the rest
| Ecosystem | Vendor | Product | Affected 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-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: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:22.04:LTS | canonical | linux-allwinner-5.19 | 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 |
< 6.8.0-1046.49~22.04.1 Fix: upgrade to 6.8.0-1046.49~22.04.1
|
| 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 |
< 6.8.0-1051.57~22.04.1 Fix: upgrade to 6.8.0-1051.57~22.04.1
|
| 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-azure-fde-6.8 |
< 6.8.0-1046.53~22.04.1 Fix: upgrade to 6.8.0-1046.53~22.04.1
|
| 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 |
< 6.8.0-1047.50~22.04.2 Fix: upgrade to 6.8.0-1047.50~22.04.2
|
| 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 |
< 6.8.0-100.100~22.04.1 Fix: upgrade to 6.8.0-100.100~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-ibm-6.8 |
< 6.8.0-1044.44~22.04.1 Fix: upgrade to 6.8.0-1044.44~22.04.1
|
| 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-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 |
< 6.8.0-100.100.1~22.04.1 Fix: upgrade to 6.8.0-100.100.1~22.04.1
|
| 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 |
< 6.8.0-1046.49~22.04.1 Fix: upgrade to 6.8.0-1046.49~22.04.1
|
| 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-6.5 | All versions |
| Ubuntu:22.04:LTS | canonical | linux-oracle-6.8 |
< 6.8.0-1043.44~22.04.1 Fix: upgrade to 6.8.0-1043.44~22.04.1
|
| Ubuntu:22.04:LTS | canonical | linux-realtime | 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 |
< 6.8.0-100.100~22.04.1 Fix: upgrade to 6.8.0-100.100~22.04.1
|
| 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:Pro:Realtime:22.04:LTS | canonical | linux-realtime-6.8 |
< 6.8.1-1041.42~22.04.1 Fix: upgrade to 6.8.1-1041.42~22.04.1
|
| Ubuntu:24.04:LTS | canonical | linux |
< 6.8.0-100.100 Fix: upgrade to 6.8.0-100.100
|
| Ubuntu:24.04:LTS | canonical | linux-aws |
< 6.8.0-1046.49 Fix: upgrade to 6.8.0-1046.49
|
| Ubuntu:24.04:LTS | canonical | linux-aws-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure |
< 6.8.0-1046.52 Fix: upgrade to 6.8.0-1046.52
|
| Ubuntu:24.04:LTS | canonical | linux-azure-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-fde-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-nvidia | All versions |
| Ubuntu:24.04:LTS | canonical | linux-azure-nvidia-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gcp |
< 6.8.0-1047.50 Fix: upgrade to 6.8.0-1047.50
|
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gcp-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-gke |
< 6.8.0-1043.48 Fix: upgrade to 6.8.0-1043.48
|
| Ubuntu:24.04:LTS | canonical | linux-gkeop |
< 6.8.0-1030.33 Fix: upgrade to 6.8.0-1030.33
|
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-hwe-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-ibm |
< 6.8.0-1044.44 Fix: upgrade to 6.8.0-1044.44
|
| Ubuntu:24.04:LTS | canonical | linux-intel | All versions |
| Ubuntu:24.04:LTS | canonical | linux-lowlatency |
< 6.8.0-100.100.1 Fix: upgrade to 6.8.0-100.100.1
|
| Ubuntu:24.04:LTS | canonical | linux-lowlatency-hwe-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia |
< 6.8.0-1046.49 Fix: upgrade to 6.8.0-1046.49
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-nvidia-lowlatency |
< 6.8.0-1046.49.1 Fix: upgrade to 6.8.0-1046.49.1
|
| Ubuntu:24.04:LTS | canonical | linux-nvidia-tegra |
< 6.8.0-1020.20 Fix: upgrade to 6.8.0-1020.20
|
| Ubuntu:24.04:LTS | canonical | linux-oem-6.11 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oem-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oem-6.8 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-oracle |
< 6.8.0-1043.44 Fix: upgrade to 6.8.0-1043.44
|
| Ubuntu:24.04:LTS | canonical | linux-oracle-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-raspi |
< 6.8.0-1047.51 Fix: upgrade to 6.8.0-1047.51
|
| Ubuntu:24.04:LTS | canonical | linux-raspi-realtime | All versions |
| Ubuntu:24.04:LTS | canonical | linux-riscv-6.14 | All versions |
| Ubuntu:24.04:LTS | canonical | linux-xilinx |
< 6.8.0-1023.24 Fix: upgrade to 6.8.0-1023.24
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-aws-fips |
< 6.8.0-1046.49+fips1 Fix: upgrade to 6.8.0-1046.49+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-azure-fips |
< 6.8.0-1046.52+fips1 Fix: upgrade to 6.8.0-1046.52+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-fips |
< 6.8.0-100.100+fips1 Fix: upgrade to 6.8.0-100.100+fips1
|
| Ubuntu:Pro:FIPS-updates:24.04:LTS | canonical | linux-gcp-fips |
< 6.8.0-1047.50+fips1 Fix: upgrade to 6.8.0-1047.50+fips1
|
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-raspi-realtime |
< 6.8.0-2037.38 Fix: upgrade to 6.8.0-2037.38
|
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-realtime |
< 6.8.1-1041.42 Fix: upgrade to 6.8.1-1041.42
|
| Ubuntu:Pro:Realtime:24.04:LTS | canonical | linux-realtime-6.14 | All versions |
| – | linux | linux |
< a1d2bab4d53368a526c97aba92671dd71814f95a 5.15 < 263680d314eaaa27334f486d86c9fe7d19f50c8a |
| Linux | linux | kernel |
>= 6.13.0, < 6.16.4 Fix: upgrade to 6.16.4
|
| Root:Debian:11 | debian | rootio-linux |
< 5.10.247-1.root.io.42 < 5.10.251-3.root.io.75 Fix: upgrade to 5.10.247-1.root.io.42
|
| Root:Debian:13 | debian | linux |
< 6.12.105-1.aikido.160 Fix: upgrade to 6.12.105-1.aikido.160
|
| Root:Ubuntu:24.04 | canonical | linux |
< 6.8.0-138.138.aikido.86 Fix: upgrade to 6.8.0-138.138.aikido.86
|
| Root:Ubuntu:24.04 | canonical | rootio-linux |
< 6.8.0-138.138.aikido.86 Fix: upgrade to 6.8.0-138.138.aikido.86
|
| Ubuntu:Nvidia-BlueField:24.04:LTS | canonical | linux-bluefield |
< 6.8.0-1016.20 Fix: upgrade to 6.8.0-1016.20
|
| 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 < 5.15.0-202.212.aikido.118 Fix: upgrade to 5.15.0-198.208.aikido.116
|
| Root:Ubuntu:22.04 | – | rootio-linux |
< 5.15.0-198.208.aikido.116 < 5.15.0-202.212.aikido.118 Fix: upgrade to 5.15.0-198.208.aikido.116
|
| Ubuntu:24.04:LTS | canonical | linux-azure-fde |
< 6.8.0-1046.53 Fix: upgrade to 6.8.0-1046.53
|
| Root:Debian:13 | – | linux |
< 6.12.113-1.aikido.163 Fix: upgrade to 6.12.113-1.aikido.163
|
| Root:Debian:13 | – | rootio-linux |
< 6.12.113-1.aikido.163 Fix: upgrade to 6.12.113-1.aikido.163
|
| Root:Debian:12 | – | linux |
< 6.1.190-1.aikido.167 Fix: upgrade to 6.1.190-1.aikido.167
|
| Root:Debian:12 | – | rootio-linux |
< 6.1.190-1.aikido.167 Fix: upgrade to 6.1.190-1.aikido.167
|
| Debian:12 | debian | linux | All versions |
| Debian:13 | debian | linux |
< 6.12.48-1 Fix: upgrade to 6.12.48-1
|
| Debian:14 | debian | linux |
< 6.16.5-1 Fix: upgrade to 6.16.5-1
|
| Alpaquita:23 | bellsoft | linux-lts |
>= 6.1.189-r0, < 6.1.191-r0 Fix: upgrade to 6.1.191-r0
|
| Alpaquita:25 | bellsoft | linux-lts |
>= 6.12.41-r0, < 6.12.44-r0 Fix: upgrade to 6.12.44-r0
|
| Alpaquita:stream | bellsoft | linux-lts |
>= 6.12.92-r1, < 6.18.35-r1 Fix: upgrade to 6.18.35-r1
|
Original advisory text
BELL-CVE-2025-39720
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix refcount leak causing resource not released
When ksmbd_conn_releasing(opinfo->conn) returns true,the refcount was not
decremented properly, causing a refcount leak that prevents the count from
reaching zero and the memory from being released.
ksmbd: fix refcount leak causing resource not released
When ksmbd_conn_releasing(opinfo->conn) returns true,the refcount was not
decremented properly, causing a refcount leak that prevents the count from
reaching zero and the memory from being released.
References
- https://git.kernel.org/stable/c/36e010bb865fbaa1202fe9bcce3fd486d6db7606 URL
- https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2 URL
- https://ubuntu.com/security/notices/USN-8031-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8126-1 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39720... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39720 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
- https://security-tracker.debian.org/tracker/CVE-2025-39720 Vendor Advisory
- https://ubuntu.com/security/CVE-2025-39720 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39720 Third Party Advisory
- https://git.kernel.org/stable/c/263680d314eaaa27334f486d86c9fe7d19f50c8a URL
- https://git.kernel.org/stable/c/9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8 URL
- https://git.kernel.org/stable/c/a1d2bab4d53368a526c97aba92671dd71814f95a URL
- https://git.kernel.org/linus/89bb430f621124af39bb31763c4a8b504c9651e2 Third Party Advisory
- https://ubuntu.com/security/notices/USN-8028-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8031-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-3 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-4 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-5 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-6 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8031-3 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8052-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-7 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8028-8 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8052-2 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8074-1 Vendor Advisory
- https://ubuntu.com/security/notices/USN-8074-2 Vendor Advisory
- https://docs.bell-sw.com/security/cves/CVE-2025-39720 Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Severity
7.8
High
Timeline
Published6 Sep 2025
Updated4 Nov 2026
First seen6 Mar 2026
Sources
CVE-2025-39720 · OSV
CVE-2025-39720 · NVD
CVE-2025-39720 · MITRE
UBUNTU-CVE-2025-39720 · OSV
DEBIAN-CVE-2025-39720 · OSV
BELL-CVE-2025-39720 · OSV
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