CVE-2025-38609: PM / devfreq: Check governor before using governor->name

Published Aug 19, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

PM / devfreq: Check governor before using governor->name

Commit 96ffcdf239de ("PM / devfreq: Remove redundant governorname from struct devfreq") removes governorname and uses governor->name to replace it. But devfreq->governor may be NULL and directly using devfreq->governor->name may cause null pointer exception. Move the check of governor to before using governor->name.

Affected Software

192 affected componentsFixes available
Linux Linux kernel
Microsoft cbl2 kernel 5.15.186.1-1
Patch available
Microsoft azl3 kernel 6.6.96.2-2
Patch available
Microsoft azl3 kernel 6.6.96.2-1
Linux Linux kernel>=5.11<5.15.190
Linux Linux kernel>=5.16<6.1.148
Linux Linux kernel>=6.2<6.6.102
Linux Linux kernel>=6.7<6.12.42
Linux Linux kernel>=6.13<6.15.10
Linux Linux kernel>=6.16<6.16.1
Debian Debian Linux=11.0
debian/linux<6.1.148-1
6.1.148-1
debian/linux<6.12.43-1
6.12.43-1
debian/linux<6.16.3-1
6.16.3-1
linux/kernel>=5.11.0<5.15.190
5.15.190
linux/kernel>=5.16.0<6.1.148
6.1.148
linux/kernel>=6.2.0<6.6.102
6.6.102
linux/kernel>=6.7.0<6.12.42
6.12.42
linux/kernel>=6.13.0<6.15.10
6.15.10
linux/kernel>=6.16.0<6.16.1
6.16.1
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.15-1
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.15<5.15.0-1097.104~20.04.1
5.15.0-1097.104~20.04.1
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.15<5.15.0-1102.111~20.04.1
5.15.0-1102.111~20.04.1
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.15<5.15.0-1097.106~20.04.1
5.15.0-1097.106~20.04.1
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-gkeop*
ubuntu/linux-gkeop-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.15<5.15.0-163.173~20.04.1
5.15.0-163.173~20.04.1
ubuntu/linux-hwe-5.8*
ubuntu/linux-ibm-5.15<5.15.0-1091.94~20.04.1
5.15.0-1091.94~20.04.1
ubuntu/linux-intel-5.13*
ubuntu/linux-intel-iotg-5.15<5.15.0-1092.98~20.04.1
5.15.0-1092.98~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-163.173~20.04.1
5.15.0-163.173~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1049.49~20.04.1
5.15.0-1049.49~20.04.1
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.15<5.15.0-1094.100~20.04.1
5.15.0-1094.100~20.04.1
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.15<5.15.0-1092.96~20.04.1
5.15.0-1092.96~20.04.1
ubuntu/linux-riscv-5.8*
ubuntu/linux<5.15.0-163.173
5.15.0-163.173
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1097.104
5.15.0-1097.104
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-aws-6.8<6.8.0-1046.49~22.04.1
6.8.0-1046.49~22.04.1
ubuntu/linux-azure<5.15.0-1101.110
5.15.0-1101.110
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-6.8<6.8.0-1051.57~22.04.1
6.8.0-1051.57~22.04.1
ubuntu/linux-azure-fde<5.15.0-1102.111.1
5.15.0-1102.111.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-azure-fde-6.8<6.8.0-1046.53~22.04.1
6.8.0-1046.53~22.04.1
ubuntu/linux-gcp<5.15.0-1097.106
5.15.0-1097.106
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gcp-6.8<6.8.0-1047.50~22.04.2
6.8.0-1047.50~22.04.2
ubuntu/linux-gke<5.15.0-1093.99
5.15.0-1093.99
ubuntu/linux-gkeop<5.15.0-1080.88
5.15.0-1080.88
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-hwe-6.8<6.8.0-100.100~22.04.1
6.8.0-100.100~22.04.1
ubuntu/linux-ibm<5.15.0-1091.94
5.15.0-1091.94
ubuntu/linux-ibm-6.8<6.8.0-1044.44~22.04.1
6.8.0-1044.44~22.04.1
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1092.98
5.15.0-1092.98
ubuntu/linux-kvm<5.15.0-1089.94
5.15.0-1089.94
ubuntu/linux-lowlatency<5.15.0-163.173
5.15.0-163.173
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-lowlatency-hwe-6.8<6.8.0-100.100.1~22.04.1
6.8.0-100.100.1~22.04.1
ubuntu/linux-nvidia<5.15.0-1092.93
5.15.0-1092.93
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-6.8<6.8.0-1046.49~22.04.1
6.8.0-1046.49~22.04.1
ubuntu/linux-nvidia-tegra<5.15.0-1049.49
5.15.0-1049.49
ubuntu/linux-nvidia-tegra-igx<5.15.0-1038.38
5.15.0-1038.38
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1094.100
5.15.0-1094.100
ubuntu/linux-oracle-6.5*
ubuntu/linux-oracle-6.8<6.8.0-1043.44~22.04.1
6.8.0-1043.44~22.04.1
ubuntu/linux-raspi<5.15.0-1091.94
5.15.0-1091.94
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-riscv-6.8<6.8.0-100.100~22.04.1
6.8.0-100.100~22.04.1
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-xilinx-zynqmp<5.15.0-1061.65
5.15.0-1061.65
ubuntu/linux-bluefield<5.15.0-1081.83
5.15.0-1081.83
ubuntu/linux-intel-iot-realtime<5.15.0-1089.91
5.15.0-1089.91
ubuntu/linux-realtime<5.15.0-1096.105
5.15.0-1096.105
ubuntu/linux-realtime-6.8<6.8.1-1041.42~22.04.1
6.8.1-1041.42~22.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips<5.15.0-1097.104+fips1
5.15.0-1097.104+fips1
ubuntu/linux-azure-fips<5.15.0-1101.110+fips1
5.15.0-1101.110+fips1
ubuntu/linux-fips<5.15.0-163.173+fips1
5.15.0-163.173+fips1
ubuntu/linux-gcp-fips<5.15.0-1097.106+fips1
5.15.0-1097.106+fips1
ubuntu/linux<6.8.0-100.100
6.8.0-100.100
ubuntu/linux-aws<6.8.0-1046.49
6.8.0-1046.49
ubuntu/linux-aws-6.14<6.14.0-1017.17~24.04.1
6.14.0-1017.17~24.04.1
ubuntu/linux-azure<6.8.0-1046.52
6.8.0-1046.52
ubuntu/linux-azure-6.11*
ubuntu/linux-azure-6.14<6.14.0-1017.17~24.04.1
6.14.0-1017.17~24.04.1
ubuntu/linux-azure-fde<6.8.0-1046.53
6.8.0-1046.53
ubuntu/linux-azure-fde-6.14*
ubuntu/linux-azure-nvidia<6.8.0-1039.42
6.8.0-1039.42
ubuntu/linux-azure-nvidia-6.14*
ubuntu/linux-gcp<6.8.0-1047.50
6.8.0-1047.50
ubuntu/linux-gcp-6.11*
ubuntu/linux-gcp-6.14<6.14.0-1020.21~24.04.1
6.14.0-1020.21~24.04.1
ubuntu/linux-gke<6.8.0-1043.48
6.8.0-1043.48
ubuntu/linux-gkeop<6.8.0-1030.33
6.8.0-1030.33
ubuntu/linux-hwe-6.11*
ubuntu/linux-ibm<6.8.0-1044.44
6.8.0-1044.44
ubuntu/linux-intel*
ubuntu/linux-lowlatency<6.8.0-100.100.1
6.8.0-100.100.1
ubuntu/linux-lowlatency-hwe-6.11*
ubuntu/linux-nvidia<6.8.0-1046.49
6.8.0-1046.49
ubuntu/linux-nvidia-6.11*
ubuntu/linux-nvidia-lowlatency<6.8.0-1046.49.1
6.8.0-1046.49.1
ubuntu/linux-nvidia-tegra<6.8.0-1020.20
6.8.0-1020.20
ubuntu/linux-oem-6.11*
ubuntu/linux-oem-6.14<6.14.0-1016.16
6.14.0-1016.16
ubuntu/linux-oem-6.8*
ubuntu/linux-oracle<6.8.0-1043.44
6.8.0-1043.44
ubuntu/linux-oracle-6.14<6.14.0-1017.17~24.04.1
6.14.0-1017.17~24.04.1
ubuntu/linux-raspi<6.8.0-1047.51
6.8.0-1047.51
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-6.14<6.14.0-36.36.1~24.04.1
6.14.0-36.36.1~24.04.1
ubuntu/linux-xilinx<6.8.0-1023.24
6.8.0-1023.24
ubuntu/linux-bluefield<6.8.0-1016.20
6.8.0-1016.20
ubuntu/linux-raspi-realtime<6.8.0-2037.38
6.8.0-2037.38
ubuntu/linux-realtime<6.8.1-1041.42
6.8.1-1041.42
ubuntu/linux-realtime-6.14<6.14.0-1016.16~24.04.1
6.14.0-1016.16~24.04.1
ubuntu/linux-aws-fips<6.8.0-1046.49+fips1
6.8.0-1046.49+fips1
ubuntu/linux-azure-fips<6.8.0-1046.52+fips1
6.8.0-1046.52+fips1
ubuntu/linux-fips<6.8.0-100.100+fips1
6.8.0-100.100+fips1
ubuntu/linux-gcp-fips<6.8.0-1047.50+fips1
6.8.0-1047.50+fips1
ubuntu/linux-azure-fde*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.148-1
  2. Upgrade

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    Fixed in 6.12.43-1
  3. Upgrade

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    Fixed in 6.16.3-1
  4. Upgrade

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    Fixed in 5.15.190
  5. Upgrade

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    Fixed in 6.1.148
  6. Upgrade

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    Fixed in 6.6.102
  7. Upgrade

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    Fixed in 6.12.42
  8. Upgrade

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    Fixed in 6.15.10
  9. Upgrade

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    Fixed in 6.16.1
  10. Upgrade

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    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.15-1
  11. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1097.104~20.04.1
  12. Upgrade

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    Fixed in 5.15.0-1102.111~20.04.1
  13. Upgrade

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    Fixed in 5.15.0-1097.106~20.04.1
  14. Upgrade

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    Fixed in 5.15.0-163.173~20.04.1
  15. Upgrade

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    Fixed in 5.15.0-1091.94~20.04.1
  16. Upgrade

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    Fixed in 5.15.0-1092.98~20.04.1
  17. Upgrade

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    Fixed in 5.15.0-163.173~20.04.1
  18. Upgrade

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    Fixed in 5.15.0-1049.49~20.04.1
  19. Upgrade

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    Fixed in 5.15.0-1094.100~20.04.1
  20. Upgrade

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    Fixed in 5.15.0-1092.96~20.04.1
  21. Upgrade

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    Fixed in 5.15.0-163.173
  22. Upgrade

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    Fixed in 5.15.0-1097.104
  23. Upgrade

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    Fixed in 6.8.0-1046.49~22.04.1
  24. Upgrade

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    Fixed in 5.15.0-1101.110
  25. Upgrade

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    Fixed in 6.8.0-1051.57~22.04.1
  26. Upgrade

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    Fixed in 5.15.0-1102.111.1
  27. Upgrade

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    Fixed in 6.8.0-1046.53~22.04.1
  28. Upgrade

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    Fixed in 5.15.0-1097.106
  29. Upgrade

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    Fixed in 6.8.0-1047.50~22.04.2
  30. Upgrade

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    Fixed in 5.15.0-1093.99
  31. Upgrade

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    Fixed in 5.15.0-1080.88
  32. Upgrade

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    Fixed in 6.8.0-100.100~22.04.1
  33. Upgrade

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    Fixed in 5.15.0-1091.94
  34. Upgrade

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    Fixed in 6.8.0-1044.44~22.04.1
  35. Upgrade

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    Fixed in 5.15.0-1092.98
  36. Upgrade

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    Fixed in 5.15.0-1089.94
  37. Upgrade

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    Fixed in 5.15.0-163.173
  38. Upgrade

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    Fixed in 6.8.0-100.100.1~22.04.1
  39. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 5.15.0-1092.93
  40. Upgrade

    Upgrade ubuntu/linux-nvidia-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.49~22.04.1
  41. Upgrade

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    Fixed in 5.15.0-1049.49
  42. Upgrade

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    Fixed in 5.15.0-1038.38
  43. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.15.0-1094.100
  44. Upgrade

    Upgrade ubuntu/linux-oracle-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1043.44~22.04.1
  45. Upgrade

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    Fixed in 5.15.0-1091.94
  46. Upgrade

    Upgrade ubuntu/linux-riscv-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-100.100~22.04.1
  47. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1061.65
  48. Upgrade

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    Fixed in 5.15.0-1081.83
  49. Upgrade

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    Fixed in 5.15.0-1089.91
  50. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1096.105
  51. Upgrade

    Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.1-1041.42~22.04.1
  52. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1097.104+fips1
  53. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1101.110+fips1
  54. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-163.173+fips1
  55. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1097.106+fips1
  56. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 6.8.0-100.100
  57. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.49
  58. Upgrade

    Upgrade ubuntu/linux-aws-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1017.17~24.04.1
  59. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.52
  60. Upgrade

    Upgrade ubuntu/linux-azure-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1017.17~24.04.1
  61. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.53
  62. Upgrade

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    Fixed in 6.8.0-1039.42
  63. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 6.8.0-1047.50
  64. Upgrade

    Upgrade ubuntu/linux-gcp-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1020.21~24.04.1
  65. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 6.8.0-1043.48
  66. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 6.8.0-1030.33
  67. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 6.8.0-1044.44
  68. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-100.100.1
  69. Upgrade

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    Fixed in 6.8.0-1046.49
  70. Upgrade

    Upgrade ubuntu/linux-nvidia-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.49.1
  71. Upgrade

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    Fixed in 6.8.0-1020.20
  72. Upgrade

    Upgrade ubuntu/linux-oem-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1016.16
  73. Upgrade

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    Fixed in 6.8.0-1043.44
  74. Upgrade

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    Fixed in 6.14.0-1017.17~24.04.1
  75. Upgrade

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    Fixed in 6.8.0-1047.51
  76. Upgrade

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    Fixed in 6.14.0-36.36.1~24.04.1
  77. Upgrade

    Upgrade ubuntu/linux-xilinx to a version that resolves this vulnerability.

    Fixed in 6.8.0-1023.24
  78. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 6.8.0-1016.20
  79. Upgrade

    Upgrade ubuntu/linux-raspi-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.0-2037.38
  80. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.1-1041.42
  81. Upgrade

    Upgrade ubuntu/linux-realtime-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1016.16~24.04.1
  82. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.49+fips1
  83. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1046.52+fips1
  84. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-100.100+fips1
  85. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1047.50+fips1
  86. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch 96ffcdf239de

Event History

Aug 19, 2025
CVE Published
via MITRE·05:03 PM
Data Sourced
via MITRE·05:03 PM
Description
Data Sourced
via OSV·05:03 PM
DescriptionAffected Software
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·03:11 AM
DescriptionSeverityWeaknessAffected Software
Nov 11, 2026
Data Sourced
via OSV·09:39 AM
Severity

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2025-38609?

CVE-2025-38609 is considered a medium severity vulnerability in the Linux kernel.

2

How do I fix CVE-2025-38609?

To fix CVE-2025-38609, ensure that your Linux kernel is updated to the latest version that includes the security patch.

3

What systems are affected by CVE-2025-38609?

CVE-2025-38609 affects the Linux kernel across various distributions that utilize the affected versions.

4

What type of vulnerability is CVE-2025-38609?

CVE-2025-38609 is a vulnerability related to improper governor name handling in the Linux kernel's devfreq subsystem.

5

What are the potential impacts of CVE-2025-38609?

Exploitation of CVE-2025-38609 could potentially lead to privilege escalation or system instability in affected Linux installations.

Company

Resources

Contact

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