CVE-2022-50875: of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()

Q: What is the severity of CVE-2022-50875?

CVE-2022-50875 has a moderate severity rating due to potential null pointer dereferencing leading to application crashes.

Q: How can I fix CVE-2022-50875?

To fix CVE-2022-50875, ensure you update your Linux kernel to the latest version that has addressed this vulnerability.

Q: What systems are affected by CVE-2022-50875?

CVE-2022-50875 affects systems running specific versions of the Linux kernel that are vulnerable to memory allocation failures.

Q: Is there a workaround for CVE-2022-50875?

There is no effective workaround for CVE-2022-50875; applying the recommended kernel updates is the best option.

Q: How was CVE-2022-50875 discovered?

CVE-2022-50875 was discovered during code audits related to memory management in the Linux kernel.

Published Dec 30, 2025

Updated

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

of: overlay: fix null pointer dereferencing in finddupcsetnodeentry() and finddupcsetprop()

When kmalloc() fail to allocate memory in kasprintf(), fn1 or fn2 will be NULL, and strcmp() will cause null pointer dereference.

Affected Software

145 affected componentsFixes available

linux_kernel

debian/linux<6.1.4-1

6.1.4-1

debian/linux<6.1.4-1

6.1.4-1

debian/linux<6.1.4-1

6.1.4-1

debian/linux

6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.4<5.4.0-1097.105~18.04.1

5.4.0-1097.105~18.04.1

ubuntu/linux-azure-5.4<5.4.0-1104.110~18.04.1

5.4.0-1104.110~18.04.1

ubuntu/linux-gcp-5.4<5.4.0-1101.110~18.04.1

5.4.0-1101.110~18.04.1

ubuntu/linux-hwe-5.4<5.4.0-144.161~18.04.1

5.4.0-144.161~18.04.1

ubuntu/linux-ibm-5.4<5.4.0-1045.50~18.04.1

5.4.0-1045.50~18.04.1

ubuntu/linux-oracle-5.4<5.4.0-1094.103~18.04.1

5.4.0-1094.103~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1081.92~18.04.1

5.4.0-1081.92~18.04.1

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<5.4.0-144.161

5.4.0-144.161

ubuntu/linux-aws<5.4.0-1097.105

5.4.0-1097.105

ubuntu/linux-aws-5.15<5.15.0-1033.37~20.04.1

5.15.0-1033.37~20.04.1

ubuntu/linux-azure<5.4.0-1104.110

5.4.0-1104.110

ubuntu/linux-azure-5.15<5.15.0-1035.42~20.04.1

5.15.0-1035.42~20.04.1

ubuntu/linux-bluefield<5.4.0-1059.65

5.4.0-1059.65

ubuntu/linux-gcp<5.4.0-1101.110

5.4.0-1101.110

ubuntu/linux-gcp-5.15<5.15.0-1031.38~20.04.1

5.15.0-1031.38~20.04.1

ubuntu/linux-hwe-5.15<5.15.0-69.76~20.04.1

5.15.0-69.76~20.04.1

ubuntu/linux-ibm<5.4.0-1045.50

5.4.0-1045.50

ubuntu/linux-intel-iotg-5.15<5.15.0-1027.32~20.04.1

5.15.0-1027.32~20.04.1

ubuntu/linux-iot<5.4.0-1013.15

5.4.0-1013.15

ubuntu/linux-kvm<5.4.0-1087.93

5.4.0-1087.93

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-69.76~20.04.1

5.15.0-69.76~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1014.14~20.04.1

5.15.0-1014.14~20.04.1

ubuntu/linux-oracle<5.4.0-1094.103

5.4.0-1094.103

ubuntu/linux-oracle-5.15<5.15.0-1032.38~20.04.1

5.15.0-1032.38~20.04.1

ubuntu/linux-raspi<5.4.0-1081.92

5.4.0-1081.92

ubuntu/linux-riscv-5.15<5.15.0-1030.34~20.04.1

5.15.0-1030.34~20.04.1

ubuntu/linux-xilinx-zynqmp<5.4.0-1022.26

5.4.0-1022.26

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.8*

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

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-5.8*

ubuntu/linux-intel-5.13*

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-5.8*

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.8*

ubuntu/linux-aws-fips<5.4.0-1099.107+fips1

5.4.0-1099.107+fips1

ubuntu/linux-azure-fips<5.4.0-1104.110+fips1

5.4.0-1104.110+fips1

ubuntu/linux-fips<5.4.0-1073.82

5.4.0-1073.82

ubuntu/linux-gcp-fips<5.4.0-1101.110+fips1

5.4.0-1101.110+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-69.76

5.15.0-69.76

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1033.37

5.15.0-1033.37

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-azure<5.15.0-1035.42

5.15.0-1035.42

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-fde<5.15.0-1035.42.1

5.15.0-1035.42.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1031.38

5.15.0-1031.38

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gke<5.15.0-1030.35

5.15.0-1030.35

ubuntu/linux-gkeop<5.15.0-1017.22

5.15.0-1017.22

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-ibm<5.15.0-1027.30

5.15.0-1027.30

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1027.32

5.15.0-1027.32

ubuntu/linux-kvm<5.15.0-1030.35

5.15.0-1030.35

ubuntu/linux-lowlatency<5.15.0-69.76

5.15.0-69.76

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-nvidia<5.15.0-1023.23

5.15.0-1023.23

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1032.38

5.15.0-1032.38

ubuntu/linux-oracle-6.5*

ubuntu/linux-raspi<5.15.0-1026.28

5.15.0-1026.28

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-bluefield<5.15.0-1015.17

5.15.0-1015.17

ubuntu/linux-intel-iot-realtime<5.15.0-1023.28

5.15.0-1023.28

ubuntu/linux-realtime<5.15.0-1034.37

5.15.0-1034.37

ubuntu/linux-azure-6.11*

ubuntu/linux-gcp-6.11*

ubuntu/linux-hwe-6.11*

ubuntu/linux-lowlatency-hwe-6.11*

ubuntu/linux-nvidia-6.11*

ubuntu/linux-oem-6.11*

ubuntu/linux-oem-6.8*

ubuntu/linux-raspi-realtime*

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-6.14*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.4-1
Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
Upgrade
Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1097.105~18.04.1
Upgrade
Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1104.110~18.04.1
Upgrade
Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1101.110~18.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-144.161~18.04.1
Upgrade
Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1045.50~18.04.1
Upgrade
Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1094.103~18.04.1
Upgrade
Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1081.92~18.04.1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.4.0-144.161
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.4.0-1097.105
Upgrade
Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1033.37~20.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.4.0-1104.110
Upgrade
Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1035.42~20.04.1
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.4.0-1059.65
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.4.0-1101.110
Upgrade
Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1031.38~20.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-69.76~20.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.4.0-1045.50
Upgrade
Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1027.32~20.04.1
Upgrade
Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.
Fixed in 5.4.0-1013.15
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.4.0-1087.93
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-69.76~20.04.1
Upgrade
Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1014.14~20.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.4.0-1094.103
Upgrade
Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1032.38~20.04.1
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.4.0-1081.92
Upgrade
Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1030.34~20.04.1
Upgrade
Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.
Fixed in 5.4.0-1022.26
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1099.107+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1104.110+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1073.82
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1101.110+fips1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.15.0-69.76
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.15.0-1033.37
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.15.0-1035.42
Upgrade
Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.
Fixed in 5.15.0-1035.42.1
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.15.0-1031.38
Upgrade
Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.
Fixed in 5.15.0-1030.35
Upgrade
Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.
Fixed in 5.15.0-1017.22
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.15.0-1027.30
Upgrade
Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.
Fixed in 5.15.0-1027.32
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.15.0-1030.35
Upgrade
Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.
Fixed in 5.15.0-69.76
Upgrade
Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.
Fixed in 5.15.0-1023.23
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.15.0-1032.38
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.15.0-1026.28
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.15.0-1015.17
Upgrade
Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1023.28
Upgrade
Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1034.37

Event History

Dec 30, 2025

CVE Published

via MITRE·12:23 PM

Data Sourced

via MITRE·12:23 PM

Description

Data Sourced

via OSV·01:16 PM

DescriptionSeverityAffected Software

Data Sourced

via NVD·01:16 PM

Description

Frequently Asked Questions

What is the severity of CVE-2022-50875?

CVE-2022-50875 has a moderate severity rating due to potential null pointer dereferencing leading to application crashes.

How can I fix CVE-2022-50875?

To fix CVE-2022-50875, ensure you update your Linux kernel to the latest version that has addressed this vulnerability.

What systems are affected by CVE-2022-50875?

CVE-2022-50875 affects systems running specific versions of the Linux kernel that are vulnerable to memory allocation failures.

Is there a workaround for CVE-2022-50875?

There is no effective workaround for CVE-2022-50875; applying the recommended kernel updates is the best option.

How was CVE-2022-50875 discovered?

CVE-2022-50875 was discovered during code audits related to memory management in the Linux kernel.

CVE-2022-50875: of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()

Affected Software

Remediation

Event History

Frequently Asked Questions

What is the severity of CVE-2022-50875?

How can I fix CVE-2022-50875?

What systems are affected by CVE-2022-50875?

Is there a workaround for CVE-2022-50875?

How was CVE-2022-50875 discovered?

Company

Resources

Contact