CVE-2025-37995: module: ensure that kobject_put() is safe for module type kobjects

Q: What is the severity of CVE-2025-37995?

CVE-2025-37995 has been classified with a moderate severity level.

Q: What types of systems are affected by CVE-2025-37995?

CVE-2025-37995 affects the Linux Kernel utilized in various Linux distributions.

Q: How do I fix CVE-2025-37995?

To fix CVE-2025-37995, you should update your Linux Kernel to the latest patched version.

Q: What kind of exploitation is possible with CVE-2025-37995?

CVE-2025-37995 could lead to potential elevation of privileges due to improper handling of kobjects.

Q: Is there a workaround for CVE-2025-37995 if I cannot update immediately?

Currently, there are no known workarounds for CVE-2025-37995 other than applying the relevant updates.

Published May 29, 2025

Updated

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

module: ensure that kobjectput() is safe for module type kobjects

In 'lookuporcreatemodulekobject()', an internal kobject is created using 'modulektype'. So call to 'kobjectput()' on error handling path causes an attempt to use an uninitialized completion pointer in 'modulekobjectrelease()'. In this scenario, we just want to release kobject without an extra synchronization required for a regular module unloading process, so adding an extra check whether 'complete()' is actually required makes 'kobjectput()' safe.

Affected Software

249 affected componentsFixes available

Linux Linux kernel

Microsoft azl3 kernel 6.6.85.1-4

Patch available

Microsoft azl3 kernel 6.6.92.2-1

Patch available

Linux Linux kernel>=3.12<5.4.294

Linux Linux kernel>=5.5<5.10.238

Linux Linux kernel>=5.11<5.15.183

Linux Linux kernel>=5.16<6.1.139

Linux Linux kernel>=6.2<6.6.91

Linux Linux kernel>=6.7<6.12.29

Linux Linux kernel>=6.13<6.14.7

Linux Linux kernel=6.15-rc1

Linux Linux kernel=6.15-rc2

Linux Linux kernel=6.15-rc3

Linux Linux kernel=6.15-rc4

Linux Linux kernel=6.15-rc5

Debian Debian Linux=11.0

debian/linux<6.1.139-1

6.1.139-1

debian/linux<6.12.29-1

6.12.29-1

debian/linux<6.12.29-1

6.12.29-1

linux/kernel>=3.12.0<5.4.294

5.4.294

linux/kernel>=5.5.0<5.10.238

5.10.238

linux/kernel>=5.11.0<5.15.183

5.15.183

linux/kernel>=5.16.0<6.1.139

6.1.139

linux/kernel>=6.2.0<6.6.91

6.6.91

linux/kernel>=6.7.0<6.12.29

6.12.29

linux/kernel>=6.13.0<6.14.7

6.14.7

debian/linux

6.1.176-16.1.190-16.12.107-16.12.115-27.2.15-1

ubuntu/linux*

ubuntu/linux-aws*

ubuntu/linux-azure*

ubuntu/linux-lts-xenial*

ubuntu/linux*

ubuntu/linux-aws*

ubuntu/linux-aws-hwe*

ubuntu/linux-azure*

ubuntu/linux-gcp*

ubuntu/linux-hwe*

ubuntu/linux-hwe-edge*

ubuntu/linux-kvm*

ubuntu/linux-oracle*

ubuntu/linux-fips*

ubuntu/linux*

ubuntu/linux-aws*

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-aws-5.4*

ubuntu/linux-azure*

ubuntu/linux-azure-4.15*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4*

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-4.15*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gcp-5.4*

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-5.4*

ubuntu/linux-hwe-edge*

ubuntu/linux-ibm-5.4*

ubuntu/linux-kvm*

ubuntu/linux-oem*

ubuntu/linux-oracle*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4*

ubuntu/linux-raspi-5.4*

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux*

ubuntu/linux-aws*

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.15<5.15.0-1088.95~20.04.1

5.15.0-1088.95~20.04.1

ubuntu/linux-aws-5.8*

ubuntu/linux-azure*

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.15<5.15.0-1094.103~20.04.1

5.15.0-1094.103~20.04.1

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-bluefield*

ubuntu/linux-gcp*

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

ubuntu/linux-gcp-5.15<5.15.0-1087.96~20.04.2

5.15.0-1087.96~20.04.2

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<5.15.0-144.157~20.04.1

5.15.0-144.157~20.04.1

ubuntu/linux-hwe-5.8*

ubuntu/linux-ibm*

ubuntu/linux-ibm-5.15<5.15.0-1080.83~20.04.1

5.15.0-1080.83~20.04.1

ubuntu/linux-intel-5.13*

ubuntu/linux-intel-iotg-5.15<5.15.0-1083.89~20.04.1

5.15.0-1083.89~20.04.1

ubuntu/linux-iot*

ubuntu/linux-kvm*

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-144.157~20.04.1

5.15.0-144.157~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1041.41~20.04.1

5.15.0-1041.41~20.04.1

ubuntu/linux-oem-5.10*

ubuntu/linux-oem-5.13*

ubuntu/linux-oem-5.6*

ubuntu/linux-oracle*

ubuntu/linux-oracle-5.11*

ubuntu/linux-oracle-5.13*

ubuntu/linux-oracle-5.15<5.15.0-1085.91~20.04.3

5.15.0-1085.91~20.04.3

ubuntu/linux-oracle-5.8*

ubuntu/linux-raspi*

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.15<5.15.0-1083.87~20.04.1

5.15.0-1083.87~20.04.1

ubuntu/linux-riscv-5.8*

ubuntu/linux-xilinx-zynqmp*

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-144.157

5.15.0-144.157

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1088.95

5.15.0-1088.95

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<5.15.0-1094.103

5.15.0-1094.103

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<5.15.0-1094.103.1

5.15.0-1094.103.1

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<5.15.0-1087.96

5.15.0-1087.96

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<5.15.0-1085.91

5.15.0-1085.91

ubuntu/linux-gkeop<5.15.0-1070.78

5.15.0-1070.78

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<5.15.0-1080.83

5.15.0-1080.83

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<5.15.0-1083.89

5.15.0-1083.89

ubuntu/linux-kvm<5.15.0-1084.89

5.15.0-1084.89

ubuntu/linux-lowlatency<5.15.0-144.157

5.15.0-144.157

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<5.15.0-1082.83

5.15.0-1082.83

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<5.15.0-1041.41

5.15.0-1041.41

ubuntu/linux-nvidia-tegra-igx<5.15.0-1030.30

5.15.0-1030.30

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1085.91

5.15.0-1085.91

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<5.15.0-1083.86

5.15.0-1083.86

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<5.15.0-1052.56

5.15.0-1052.56

ubuntu/linux-bluefield<5.15.0-1072.74

5.15.0-1072.74

ubuntu/linux-intel-iot-realtime<5.15.0-1081.83

5.15.0-1081.83

ubuntu/linux-realtime<5.15.0-1088.97

5.15.0-1088.97

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<5.15.0-1088.95+fips1

5.15.0-1088.95+fips1

ubuntu/linux-azure-fips<5.15.0-1094.103+fips1

5.15.0-1094.103+fips1

ubuntu/linux-fips<5.15.0-144.157+fips1

5.15.0-144.157+fips1

ubuntu/linux-gcp-fips<5.15.0-1087.96+fips1

5.15.0-1087.96+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<6.14.0-1011.11~24.04.1

6.14.0-1011.11~24.04.1

ubuntu/linux-azure<6.8.0-1046.52

6.8.0-1046.52

ubuntu/linux-azure-6.11*

ubuntu/linux-azure-fde<6.8.0-1046.53

6.8.0-1046.53

ubuntu/linux-azure-nvidia<6.8.0-1039.42

6.8.0-1039.42

ubuntu/linux-gcp<6.8.0-1047.50

6.8.0-1047.50

ubuntu/linux-gcp-6.11*

ubuntu/linux-gcp-6.14<6.14.0-1014.15~24.04.1

6.14.0-1014.15~24.04.1

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<6.14.0-1010.10

6.14.0-1010.10

ubuntu/linux-oem-6.8*

ubuntu/linux-oracle<6.8.0-1043.44

6.8.0-1043.44

ubuntu/linux-oracle-6.14<6.14.0-1011.11~24.04.1

6.14.0-1011.11~24.04.1

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<6.14.0-28.28.1~24.04.1

6.14.0-28.28.1~24.04.1

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<6.14.0-1010.10~24.04.1

6.14.0-1010.10~24.04.1

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.

Upgrade
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Fixed in 6.1.139-1
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Fixed in 6.12.29-1
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Fixed in 5.4.294
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Fixed in 5.10.238
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Fixed in 5.15.183
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Fixed in 6.1.139
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Fixed in 6.6.91
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Fixed in 6.12.29
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Fixed in 6.14.7
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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
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Fixed in 5.15.0-1088.95~20.04.1
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Fixed in 5.15.0-1094.103~20.04.1
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Fixed in 5.15.0-1087.96~20.04.2
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Fixed in 5.15.0-144.157~20.04.1
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Fixed in 5.15.0-1080.83~20.04.1
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Fixed in 5.15.0-1083.89~20.04.1
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Fixed in 5.15.0-144.157~20.04.1
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Fixed in 5.15.0-1041.41~20.04.1
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Fixed in 5.15.0-1085.91~20.04.3
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Fixed in 5.15.0-1083.87~20.04.1
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Fixed in 5.15.0-144.157
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Fixed in 5.15.0-1088.95
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Fixed in 6.8.0-1046.49~22.04.1
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Fixed in 5.15.0-1094.103
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Fixed in 6.8.0-1051.57~22.04.1
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Fixed in 5.15.0-1094.103.1
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Fixed in 6.8.0-1046.53~22.04.1
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Fixed in 5.15.0-1087.96
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Fixed in 6.8.0-1047.50~22.04.2
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Fixed in 5.15.0-1085.91
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Fixed in 5.15.0-1070.78
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Fixed in 6.8.0-100.100~22.04.1
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Fixed in 5.15.0-1080.83
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Fixed in 6.8.0-1044.44~22.04.1
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Fixed in 5.15.0-1083.89
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Fixed in 5.15.0-1084.89
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Fixed in 5.15.0-144.157
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Fixed in 6.8.0-100.100.1~22.04.1
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Fixed in 5.15.0-1082.83
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Fixed in 6.8.0-1046.49~22.04.1
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Fixed in 5.15.0-1041.41
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Fixed in 5.15.0-1030.30
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Fixed in 5.15.0-1085.91
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Fixed in 6.8.0-1043.44~22.04.1
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Fixed in 5.15.0-1083.86
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Fixed in 6.8.0-100.100~22.04.1
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Fixed in 5.15.0-1052.56
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Fixed in 5.15.0-1072.74
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Fixed in 5.15.0-1081.83
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Fixed in 5.15.0-1088.97
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Fixed in 6.8.1-1041.42~22.04.1
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Fixed in 5.15.0-1088.95+fips1
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Fixed in 5.15.0-1094.103+fips1
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Fixed in 5.15.0-144.157+fips1
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Fixed in 5.15.0-1087.96+fips1
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Fixed in 6.8.0-100.100
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Fixed in 6.8.0-1046.49
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Fixed in 6.14.0-1011.11~24.04.1
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Fixed in 6.8.0-1046.52
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Fixed in 6.8.0-1046.53
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Fixed in 6.8.0-1039.42
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Fixed in 6.8.0-1047.50
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Fixed in 6.14.0-1014.15~24.04.1
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Fixed in 6.8.0-1043.48
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Fixed in 6.8.0-1030.33
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Fixed in 6.8.0-1044.44
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Fixed in 6.8.0-100.100.1
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Fixed in 6.8.0-1046.49
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Fixed in 6.8.0-1046.49.1
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Fixed in 6.8.0-1020.20
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Upgrade ubuntu/linux-oem-6.14 to a version that resolves this vulnerability.
Fixed in 6.14.0-1010.10
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Fixed in 6.8.0-1043.44
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Fixed in 6.14.0-1011.11~24.04.1
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Fixed in 6.8.0-1047.51
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Fixed in 6.14.0-28.28.1~24.04.1
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Fixed in 6.8.0-1023.24
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Fixed in 6.8.0-1016.20
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Fixed in 6.8.0-2037.38
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Fixed in 6.8.1-1041.42
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Fixed in 6.14.0-1010.10~24.04.1
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Fixed in 6.8.0-1046.49+fips1
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Fixed in 6.8.0-1046.52+fips1
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Fixed in 6.8.0-100.100+fips1
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Fixed in 6.8.0-1047.50+fips1

Event History

May 29, 2025

CVE Published

via MITRE·01:15 PM

Data Sourced

via MITRE·01:15 PM

Description

Data Sourced

via OSV·01:15 PM

DescriptionAffected Software

Data Sourced

via NVD·02:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Jul 11, 2025

Data Sourced

via Microsoft·07:00 AM

DescriptionSeverityWeakness

Data Sourced

via Microsoft·07:00 AM

Affected Software

Nov 11, 2026

Data Sourced

via OSV·09:37 AM

Severity

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

What is the severity of CVE-2025-37995?

CVE-2025-37995 has been classified with a moderate severity level.

What types of systems are affected by CVE-2025-37995?

CVE-2025-37995 affects the Linux Kernel utilized in various Linux distributions.

How do I fix CVE-2025-37995?

To fix CVE-2025-37995, you should update your Linux Kernel to the latest patched version.

What kind of exploitation is possible with CVE-2025-37995?

CVE-2025-37995 could lead to potential elevation of privileges due to improper handling of kobjects.

Is there a workaround for CVE-2025-37995 if I cannot update immediately?

Currently, there are no known workarounds for CVE-2025-37995 other than applying the relevant updates.

CVE-2025-37995: module: ensure that kobject_put() is safe for module type kobjects

Affected Software

Remediation

Event History

Peer vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2025-37995?

What types of systems are affected by CVE-2025-37995?

How do I fix CVE-2025-37995?

What kind of exploitation is possible with CVE-2025-37995?

Is there a workaround for CVE-2025-37995 if I cannot update immediately?

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Resources

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