CVE-2025-37937: objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()

Q: What is the severity of CVE-2025-37937?

CVE-2025-37937 has been rated with a moderate severity due to the potential for a divide-by-zero error in the Linux kernel.

Q: How do I fix CVE-2025-37937?

To fix CVE-2025-37937, ensure you update to the latest version of the Linux kernel where the vulnerability is patched.

Q: Which versions of the Linux kernel are affected by CVE-2025-37937?

CVE-2025-37937 affects specific versions of the Linux kernel that utilize the dib8000 driver, particularly those prior to the fix.

Q: What systems are impacted by CVE-2025-37937?

CVE-2025-37937 impacts systems running the affected versions of the Linux kernel, especially those using the dib8000 media driver.

Q: Is CVE-2025-37937 easy to exploit?

Exploitation of CVE-2025-37937 may require specific conditions, but it presents a risk wherever the affected code is executed.

Published May 20, 2025

Updated

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

objtool, media: dib8000: Prevent divide-by-zero in dib8000setdds()

If dib8000setdds()'s call to dib8000read32() returns zero, the result is a divide-by-zero. Prevent that from happening.

Fixes the following warning with an UBSAN kernel:

drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000tune() falls through to next function dib8096pcfgDibRx()

Affected Software

224 affected componentsFixes available

Linux Linux kernel

Linux Linux kernel>=3.10<5.4.292

Linux Linux kernel>=5.5<5.10.236

Linux Linux kernel>=5.11<5.15.180

Linux Linux kernel>=5.16<6.1.134

Linux Linux kernel>=6.2<6.6.87

Linux Linux kernel>=6.7<6.12.23

Linux Linux kernel>=6.13<6.13.11

Linux Linux kernel>=6.14<6.14.2

Debian Debian Linux=11.0

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<5.4.0-1147.157~18.04.1

5.4.0-1147.157~18.04.1

ubuntu/linux-azure*

ubuntu/linux-azure-4.15*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4<5.4.0-1152.159~18.04.1

5.4.0-1152.159~18.04.1

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-4.15*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gcp-5.4<5.4.0-1150.159~18.04.1

5.4.0-1150.159~18.04.1

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-5.4<5.4.0-218.238~18.04.1

5.4.0-218.238~18.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-ibm-5.4<5.4.0-1093.98~18.04.1

5.4.0-1093.98~18.04.1

ubuntu/linux-kvm*

ubuntu/linux-oem*

ubuntu/linux-oracle*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4<5.4.0-1145.155~18.04.1

5.4.0-1145.155~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1130.143~18.04.1

5.4.0-1130.143~18.04.1

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<5.4.0-218.238

5.4.0-218.238

ubuntu/linux-aws<5.4.0-1147.157

5.4.0-1147.157

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.15<5.15.0-1086.93~20.04.1

5.15.0-1086.93~20.04.1

ubuntu/linux-aws-5.8*

ubuntu/linux-azure<5.4.0-1152.159

5.4.0-1152.159

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.15<5.15.0-1091.100~20.04.1

5.15.0-1091.100~20.04.1

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-bluefield<5.4.0-1106.113

5.4.0-1106.113

ubuntu/linux-gcp<5.4.0-1150.159

5.4.0-1150.159

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

ubuntu/linux-gcp-5.15<5.15.0-1085.94~20.04.1

5.15.0-1085.94~20.04.1

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<5.15.0-142.152~20.04.1

5.15.0-142.152~20.04.1

ubuntu/linux-hwe-5.8*

ubuntu/linux-ibm<5.4.0-1093.98

5.4.0-1093.98

ubuntu/linux-ibm-5.15<5.15.0-1078.81~20.04.1

5.15.0-1078.81~20.04.1

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<5.4.0-1051.54

5.4.0-1051.54

ubuntu/linux-kvm<5.4.0-1134.143

5.4.0-1134.143

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-142.152~20.04.1

5.15.0-142.152~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1039.39~20.04.1

5.15.0-1039.39~20.04.1

ubuntu/linux-oem-5.10*

ubuntu/linux-oem-5.13*

ubuntu/linux-oem-5.6*

ubuntu/linux-oracle<5.4.0-1145.155

5.4.0-1145.155

ubuntu/linux-oracle-5.11*

ubuntu/linux-oracle-5.13*

ubuntu/linux-oracle-5.15<5.15.0-1083.89~20.04.1

5.15.0-1083.89~20.04.1

ubuntu/linux-oracle-5.8*

ubuntu/linux-raspi<5.4.0-1130.143

5.4.0-1130.143

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.15<5.15.0-1081.85~20.04.1

5.15.0-1081.85~20.04.1

ubuntu/linux-riscv-5.8*

ubuntu/linux-xilinx-zynqmp<5.4.0-1065.69

5.4.0-1065.69

ubuntu/linux-aws-fips<5.4.0-1147.157+fips1

5.4.0-1147.157+fips1

ubuntu/linux-azure-fips<5.4.0-1153.160+fips1

5.4.0-1153.160+fips1

ubuntu/linux-fips<5.4.0-1121.131

5.4.0-1121.131

ubuntu/linux-gcp-fips<5.4.0-1150.159+fips1

5.4.0-1150.159+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-142.152

5.15.0-142.152

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1086.93

5.15.0-1086.93

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-aws-6.8<6.8.0-1041.43~22.04.1

6.8.0-1041.43~22.04.1

ubuntu/linux-azure<5.15.0-1091.100

5.15.0-1091.100

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-6.8<6.8.0-1041.47~22.04.1

6.8.0-1041.47~22.04.1

ubuntu/linux-azure-fde<5.15.0-1091.100.1

5.15.0-1091.100.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1085.94

5.15.0-1085.94

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gcp-6.8<6.8.0-1042.45~22.04.1

6.8.0-1042.45~22.04.1

ubuntu/linux-gke<5.15.0-1083.89

5.15.0-1083.89

ubuntu/linux-gkeop<5.15.0-1068.76

5.15.0-1068.76

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-hwe-6.8<6.8.0-86.87~22.04.1

6.8.0-86.87~22.04.1

ubuntu/linux-ibm<5.15.0-1078.81

5.15.0-1078.81

ubuntu/linux-ibm-6.8<6.8.0-1039.39~22.04.1

6.8.0-1039.39~22.04.1

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1081.87

5.15.0-1081.87

ubuntu/linux-kvm<5.15.0-1082.87

5.15.0-1082.87

ubuntu/linux-lowlatency<5.15.0-142.152

5.15.0-142.152

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-lowlatency-hwe-6.8<6.8.0-86.87.1~22.04.1

6.8.0-86.87.1~22.04.1

ubuntu/linux-nvidia<5.15.0-1080.81

5.15.0-1080.81

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-nvidia-6.8<6.8.0-1041.44~22.04.2

6.8.0-1041.44~22.04.2

ubuntu/linux-nvidia-tegra<5.15.0-1039.39

5.15.0-1039.39

ubuntu/linux-nvidia-tegra-igx<5.15.0-1028.28

5.15.0-1028.28

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1083.89

5.15.0-1083.89

ubuntu/linux-oracle-6.5*

ubuntu/linux-oracle-6.8<6.8.0-1038.39~22.04.1

6.8.0-1038.39~22.04.1

ubuntu/linux-raspi<5.15.0-1080.83

5.15.0-1080.83

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-riscv-6.8<6.8.0-86.87~22.04.1

6.8.0-86.87~22.04.1

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-xilinx-zynqmp<5.15.0-1050.54

5.15.0-1050.54

ubuntu/linux-bluefield<5.15.0-1069.71

5.15.0-1069.71

ubuntu/linux-intel-iot-realtime<5.15.0-1079.81

5.15.0-1079.81

ubuntu/linux-realtime<5.15.0-1086.95

5.15.0-1086.95

ubuntu/linux-realtime-6.8<6.8.1-1036.37~22.04.1

6.8.1-1036.37~22.04.1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips<5.15.0-1086.93+fips1

5.15.0-1086.93+fips1

ubuntu/linux-azure-fips<5.15.0-1091.100+fips1

5.15.0-1091.100+fips1

ubuntu/linux-fips<5.15.0-142.152+fips1

5.15.0-142.152+fips1

ubuntu/linux-gcp-fips<5.15.0-1085.94+fips1

5.15.0-1085.94+fips1

ubuntu/linux<6.8.0-86.87

6.8.0-86.87

ubuntu/linux-aws<6.8.0-1041.43

6.8.0-1041.43

ubuntu/linux-azure<6.8.0-1041.47

6.8.0-1041.47

ubuntu/linux-azure-6.11<6.11.0-1018.18~24.04.1

6.11.0-1018.18~24.04.1

ubuntu/linux-azure-nvidia<6.8.0-1029.32

6.8.0-1029.32

ubuntu/linux-gcp<6.8.0-1042.45

6.8.0-1042.45

ubuntu/linux-gcp-6.11<6.11.0-1016.16~24.04.1

6.11.0-1016.16~24.04.1

ubuntu/linux-gke<6.8.0-1038.43

6.8.0-1038.43

ubuntu/linux-gkeop<6.8.0-1025.28

6.8.0-1025.28

ubuntu/linux-hwe-6.11<6.11.0-28.28~24.04.1

6.11.0-28.28~24.04.1

ubuntu/linux-ibm<6.8.0-1039.39

6.8.0-1039.39

ubuntu/linux-intel*

ubuntu/linux-lowlatency<6.8.0-86.87.1

6.8.0-86.87.1

ubuntu/linux-lowlatency-hwe-6.11<6.11.0-1015.16~24.04.2

6.11.0-1015.16~24.04.2

ubuntu/linux-nvidia<6.8.0-1041.44

6.8.0-1041.44

ubuntu/linux-nvidia-6.11<6.11.0-1012.12

6.11.0-1012.12

ubuntu/linux-nvidia-lowlatency<6.8.0-1041.44.1

6.8.0-1041.44.1

ubuntu/linux-nvidia-tegra<6.8.0-1012.12

6.8.0-1012.12

ubuntu/linux-oem-6.11<6.11.0-1024.24

6.11.0-1024.24

ubuntu/linux-oem-6.8*

ubuntu/linux-oracle<6.8.0-1038.39

6.8.0-1038.39

ubuntu/linux-raspi<6.8.0-1041.45

6.8.0-1041.45

ubuntu/linux-raspi-realtime*

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-xilinx<6.8.0-1018.19

6.8.0-1018.19

ubuntu/linux-bluefield<6.8.0-1012.16

6.8.0-1012.16

ubuntu/linux-raspi-realtime<6.8.0-2032.33

6.8.0-2032.33

ubuntu/linux-realtime<6.8.1-1036.37

6.8.1-1036.37

ubuntu/linux-aws-fips<6.8.0-1041.43+fips1

6.8.0-1041.43+fips1

ubuntu/linux-azure-fips<6.8.0-1044.50+fips1

6.8.0-1044.50+fips1

ubuntu/linux-fips<6.8.0-86.87+fips1

6.8.0-86.87+fips1

ubuntu/linux-gcp-fips<6.8.0-1042.45+fips1

6.8.0-1042.45+fips1

ubuntu/linux-azure-fde*

ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

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Fixed in 5.4.0-1147.157~18.04.1
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Fixed in 5.4.0-1152.159~18.04.1
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Fixed in 5.4.0-1150.159~18.04.1
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Fixed in 5.4.0-218.238~18.04.1
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Fixed in 5.4.0-1093.98~18.04.1
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Fixed in 5.4.0-1145.155~18.04.1
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Fixed in 5.4.0-1130.143~18.04.1
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Fixed in 5.4.0-218.238
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Fixed in 5.4.0-1147.157
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Fixed in 5.15.0-1086.93~20.04.1
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Fixed in 5.4.0-1152.159
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Fixed in 5.15.0-1091.100~20.04.1
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Fixed in 5.4.0-1106.113
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Fixed in 5.4.0-1150.159
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Fixed in 5.15.0-1085.94~20.04.1
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Fixed in 5.15.0-142.152~20.04.1
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Fixed in 5.4.0-1093.98
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Fixed in 5.15.0-1078.81~20.04.1
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Fixed in 5.15.0-1083.89~20.04.1
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Fixed in 5.4.0-1051.54
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Fixed in 5.4.0-1134.143
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Fixed in 5.15.0-142.152~20.04.1
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Fixed in 5.15.0-1039.39~20.04.1
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Fixed in 5.4.0-1145.155
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Fixed in 5.15.0-1083.89~20.04.1
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Fixed in 5.4.0-1130.143
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Fixed in 5.15.0-1081.85~20.04.1
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Fixed in 5.4.0-1065.69
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Fixed in 5.4.0-1147.157+fips1
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Fixed in 5.4.0-1153.160+fips1
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Fixed in 5.4.0-1121.131
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Fixed in 5.4.0-1150.159+fips1
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Fixed in 5.15.0-142.152
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Fixed in 5.15.0-1086.93
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Fixed in 6.8.0-1041.43~22.04.1
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Fixed in 5.15.0-1091.100
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Fixed in 6.8.0-1041.47~22.04.1
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Fixed in 5.15.0-1091.100.1
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Fixed in 5.15.0-1085.94
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Fixed in 6.8.0-1042.45~22.04.1
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Fixed in 5.15.0-1083.89
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Fixed in 5.15.0-1068.76
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Fixed in 6.8.0-86.87~22.04.1
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Fixed in 5.15.0-1078.81
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Fixed in 6.8.0-1039.39~22.04.1
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Fixed in 5.15.0-1081.87
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Fixed in 5.15.0-1082.87
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Fixed in 5.15.0-142.152
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Fixed in 6.8.0-86.87.1~22.04.1
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Fixed in 5.15.0-1080.81
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Fixed in 6.8.0-1041.44~22.04.2
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Fixed in 5.15.0-1039.39
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Fixed in 5.15.0-1028.28
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Fixed in 5.15.0-1083.89
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Fixed in 6.8.0-1038.39~22.04.1
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Fixed in 5.15.0-1080.83
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Fixed in 6.8.0-86.87~22.04.1
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Fixed in 5.15.0-1050.54
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Fixed in 5.15.0-1069.71
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Fixed in 5.15.0-1079.81
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Fixed in 5.15.0-1086.95
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Fixed in 6.8.1-1036.37~22.04.1
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Fixed in 5.15.0-1086.93+fips1
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Fixed in 5.15.0-1091.100+fips1
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Fixed in 5.15.0-142.152+fips1
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Fixed in 5.15.0-1085.94+fips1
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Fixed in 6.8.0-86.87
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Fixed in 6.8.0-1041.43
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Fixed in 6.8.0-1041.47
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Fixed in 6.11.0-1018.18~24.04.1
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Fixed in 6.8.0-1029.32
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Fixed in 6.8.0-1042.45
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Fixed in 6.11.0-1016.16~24.04.1
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Fixed in 6.8.0-1038.43
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Fixed in 6.8.0-1025.28
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Fixed in 6.11.0-28.28~24.04.1
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Fixed in 6.8.0-1039.39
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Fixed in 6.8.0-86.87.1
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Fixed in 6.11.0-1015.16~24.04.2
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Fixed in 6.8.0-1041.44
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Fixed in 6.11.0-1012.12
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Fixed in 6.8.0-1041.44.1
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Fixed in 6.8.0-1012.12
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Fixed in 6.11.0-1024.24
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Fixed in 6.8.0-1038.39
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Fixed in 6.8.0-1041.45
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Fixed in 6.8.0-1018.19
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Fixed in 6.8.0-1012.16
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Fixed in 6.8.0-2032.33
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Fixed in 6.8.1-1036.37
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Fixed in 6.8.0-1041.43+fips1
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Fixed in 6.8.0-1044.50+fips1
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Fixed in 6.8.0-86.87+fips1
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Fixed in 6.8.0-1042.45+fips1

Event History

May 20, 2025

CVE Published

via MITRE·03:34 PM

Data Sourced

via MITRE·03:34 PM

Description

Data Sourced

via OSV·04:15 PM

DescriptionSeverityAffected Software

Data Sourced

via NVD·04:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2025-37937?

CVE-2025-37937 has been rated with a moderate severity due to the potential for a divide-by-zero error in the Linux kernel.

How do I fix CVE-2025-37937?

To fix CVE-2025-37937, ensure you update to the latest version of the Linux kernel where the vulnerability is patched.

Which versions of the Linux kernel are affected by CVE-2025-37937?

CVE-2025-37937 affects specific versions of the Linux kernel that utilize the dib8000 driver, particularly those prior to the fix.

What systems are impacted by CVE-2025-37937?

CVE-2025-37937 impacts systems running the affected versions of the Linux kernel, especially those using the dib8000 media driver.

Is CVE-2025-37937 easy to exploit?

Exploitation of CVE-2025-37937 may require specific conditions, but it presents a risk wherever the affected code is executed.

CVE-2025-37937: objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()

Affected Software

Remediation

Event History

Frequently Asked Questions

What is the severity of CVE-2025-37937?

How do I fix CVE-2025-37937?

Which versions of the Linux kernel are affected by CVE-2025-37937?

What systems are impacted by CVE-2025-37937?

Is CVE-2025-37937 easy to exploit?

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