CVE-2024-46685: pinctrl: single: fix potential NULL dereference in pcs_get_function()

Q: What is the severity of CVE-2024-46685?

CVE-2024-46685 is considered to have a medium severity due to its potential for causing a NULL dereference leading to application crashes.

Q: How do I fix CVE-2024-46685?

To fix CVE-2024-46685, update the Linux Kernel to the patched versions such as 5.10.226-1 or 6.1.123-1.

Q: Which Linux Kernel versions are affected by CVE-2024-46685?

CVE-2024-46685 affects Linux Kernel versions from 4.11 to 4.19.321, 4.20 to 5.4.283, 5.5 to 5.10.225, and others up to 6.11-rc5.

Q: How can I verify if my system is vulnerable to CVE-2024-46685?

You can verify vulnerability by checking your Linux Kernel version against the affected range outlined in CVE-2024-46685.

Q: Is there a workaround for CVE-2024-46685?

There is no official workaround for CVE-2024-46685, and it is recommended to apply the necessary updates as soon as possible.

Published Sep 13, 2024

Updated

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

pinctrl: single: fix potential NULL dereference in pcsgetfunction()

pinmuxgenericgetfunction() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcsgetfunction().

Found by code review.

Affected Software

206 affected componentsFixes available

Linux Linux kernel>=4.11<4.19.321

Linux Linux kernel>=4.20<5.4.283

Linux Linux kernel>=5.5<5.10.225

Linux Linux kernel>=5.11<5.15.166

Linux Linux kernel>=5.16<6.1.108

Linux Linux kernel>=6.2<6.6.49

Linux Linux kernel>=6.7<6.10.8

Linux Linux kernel=6.11-rc1

Linux Linux kernel=6.11-rc2

Linux Linux kernel=6.11-rc3

Linux Linux kernel=6.11-rc4

Linux Linux kernel=6.11-rc5

Microsoft cbl2 kernel 5.15.164.1-1

Patch available

Microsoft cbl2 kernel 5.15.164.1-1

Patch available

Microsoft azl3 kernel 6.6.47.1-1

Patch available

Microsoft cbl2 kernel 5.15.167.1-1

Patch available

Microsoft azl3 kernel 6.6.51.1-1

Patch available

debian/linux

6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-17.2.13-1

ubuntu/linux-azure*

ubuntu/linux-aws-hwe*

ubuntu/linux-azure*

ubuntu/linux-gcp*

ubuntu/linux-hwe*

ubuntu/linux-hwe-edge*

ubuntu/linux-oracle*

ubuntu/linux*

ubuntu/linux-aws*

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-aws-5.4<5.4.0-1135.145~18.04.1

5.4.0-1135.145~18.04.1

ubuntu/linux-azure*

ubuntu/linux-azure-4.15*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4<5.4.0-1140.147~18.04.1

5.4.0-1140.147~18.04.1

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-4.15*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gcp-5.4<5.4.0-1139.148~18.04.1

5.4.0-1139.148~18.04.1

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-5.4<5.4.0-200.220~18.04.1

5.4.0-200.220~18.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-ibm-5.4<5.4.0-1082.87~18.04.1

5.4.0-1082.87~18.04.1

ubuntu/linux-kvm*

ubuntu/linux-oem*

ubuntu/linux-oracle*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4<5.4.0-1134.143~18.04.1

5.4.0-1134.143~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1119.131~18.04.1

5.4.0-1119.131~18.04.1

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<5.4.0-200.220

5.4.0-200.220

ubuntu/linux-aws<5.4.0-1135.145

5.4.0-1135.145

ubuntu/linux-aws-5.15<5.15.0-1072.78~20.04.1

5.15.0-1072.78~20.04.1

ubuntu/linux-azure<5.4.0-1140.147

5.4.0-1140.147

ubuntu/linux-azure-5.15<5.15.0-1078.87~20.04.1

5.15.0-1078.87~20.04.1

ubuntu/linux-bluefield<5.4.0-1095.102

5.4.0-1095.102

ubuntu/linux-gcp<5.4.0-1139.148

5.4.0-1139.148

ubuntu/linux-gcp-5.15<5.15.0-1071.79~20.04.1

5.15.0-1071.79~20.04.1

ubuntu/linux-gkeop<5.4.0-1102.106

5.4.0-1102.106

ubuntu/linux-gkeop-5.15<5.15.0-1055.62~20.04.1

5.15.0-1055.62~20.04.1

ubuntu/linux-hwe-5.15<5.15.0-125.135~20.04.1

5.15.0-125.135~20.04.1

ubuntu/linux-ibm<5.4.0-1082.87

5.4.0-1082.87

ubuntu/linux-ibm-5.15<5.15.0-1065.68~20.04.1

5.15.0-1065.68~20.04.1

ubuntu/linux-intel-iotg-5.15<5.15.0-1067.73~20.04.1

5.15.0-1067.73~20.04.1

ubuntu/linux-iot<5.4.0-1044.45

5.4.0-1044.45

ubuntu/linux-kvm<5.4.0-1123.131

5.4.0-1123.131

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-125.135~20.04.1

5.15.0-125.135~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1032.32~20.04.1

5.15.0-1032.32~20.04.1

ubuntu/linux-oracle<5.4.0-1134.143

5.4.0-1134.143

ubuntu/linux-oracle-5.15<5.15.0-1070.76~20.04.1

5.15.0-1070.76~20.04.1

ubuntu/linux-raspi<5.4.0-1119.131

5.4.0-1119.131

ubuntu/linux-riscv-5.15<5.15.0-1068.72~20.04.1

5.15.0-1068.72~20.04.1

ubuntu/linux-xilinx-zynqmp<5.4.0-1054.58

5.4.0-1054.58

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-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<5.4.0-1135.145+fips1

5.4.0-1135.145+fips1

ubuntu/linux-azure-fips<5.4.0-1140.147+fips1

5.4.0-1140.147+fips1

ubuntu/linux-fips<5.4.0-1109.119

5.4.0-1109.119

ubuntu/linux-gcp-fips<5.4.0-1139.148+fips1

5.4.0-1139.148+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-125.135

5.15.0-125.135

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1072.78

5.15.0-1072.78

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-aws-6.8<6.8.0-1020.22~22.04.1

6.8.0-1020.22~22.04.1

ubuntu/linux-azure<5.15.0-1075.84

5.15.0-1075.84

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-6.8<6.8.0-1020.23~22.04.1

6.8.0-1020.23~22.04.1

ubuntu/linux-azure-fde<5.15.0-1076.85.1

5.15.0-1076.85.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1071.79

5.15.0-1071.79

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gcp-6.8<6.8.0-1019.21~22.04.1

6.8.0-1019.21~22.04.1

ubuntu/linux-gke<5.15.0-1069.75

5.15.0-1069.75

ubuntu/linux-gkeop<5.15.0-1055.62

5.15.0-1055.62

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-hwe-6.8<6.8.0-50.51~22.04.1

6.8.0-50.51~22.04.1

ubuntu/linux-ibm<5.15.0-1065.68

5.15.0-1065.68

ubuntu/linux-ibm-6.8<6.8.0-1017.17~22.04.1

6.8.0-1017.17~22.04.1

ubuntu/linux-intel-iotg<5.15.0-1067.73

5.15.0-1067.73

ubuntu/linux-kvm<5.15.0-1069.74

5.15.0-1069.74

ubuntu/linux-lowlatency<5.15.0-125.135

5.15.0-125.135

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-lowlatency-hwe-6.8<6.8.0-50.51.1~22.04.1

6.8.0-50.51.1~22.04.1

ubuntu/linux-nvidia<5.15.0-1067.68

5.15.0-1067.68

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-nvidia-6.8<6.8.0-1019.21~22.04.1

6.8.0-1019.21~22.04.1

ubuntu/linux-nvidia-tegra<5.15.0-1032.32

5.15.0-1032.32

ubuntu/linux-nvidia-tegra-igx<5.15.0-1020.20

5.15.0-1020.20

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1070.76

5.15.0-1070.76

ubuntu/linux-oracle-6.5*

ubuntu/linux-oracle-6.8<6.8.0-1017.18~22.04.1

6.8.0-1017.18~22.04.1

ubuntu/linux-raspi<5.15.0-1065.68

5.15.0-1065.68

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-riscv-6.8<6.8.0-50.51.1~22.04.1

6.8.0-50.51.1~22.04.1

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-xilinx-zynqmp<5.15.0-1038.42

5.15.0-1038.42

ubuntu/linux-bluefield<5.15.0-1056.58

5.15.0-1056.58

ubuntu/linux-intel-iot-realtime<5.15.0-1066.68

5.15.0-1066.68

ubuntu/linux-realtime<5.15.0-1073.81

5.15.0-1073.81

ubuntu/linux-realtime-6.8<6.8.1-1013.14~22.04.1

6.8.1-1013.14~22.04.1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips<5.15.0-1072.78+fips1

5.15.0-1072.78+fips1

ubuntu/linux-azure-fips<5.15.0-1075.84+fips1

5.15.0-1075.84+fips1

ubuntu/linux-fips<5.15.0-125.135+fips1

5.15.0-125.135+fips1

ubuntu/linux-gcp-fips<5.15.0-1071.79+fips1

5.15.0-1071.79+fips1

ubuntu/linux<6.8.0-50.51

6.8.0-50.51

ubuntu/linux-aws<6.8.0-1020.22

6.8.0-1020.22

ubuntu/linux-azure<6.8.0-1020.23

6.8.0-1020.23

ubuntu/linux-gcp<6.8.0-1019.21

6.8.0-1019.21

ubuntu/linux-gke<6.8.0-1015.19

6.8.0-1015.19

ubuntu/linux-gkeop<6.8.0-1002.4

6.8.0-1002.4

ubuntu/linux-ibm<6.8.0-1017.17

6.8.0-1017.17

ubuntu/linux-lowlatency<6.8.0-50.51.1

6.8.0-50.51.1

ubuntu/linux-nvidia<6.8.0-1019.21

6.8.0-1019.21

ubuntu/linux-nvidia-lowlatency<6.8.0-1019.21.1

6.8.0-1019.21.1

ubuntu/linux-oem-6.8<6.8.0-1018.18

6.8.0-1018.18

ubuntu/linux-oracle<6.8.0-1017.18

6.8.0-1017.18

ubuntu/linux-raspi<6.8.0-1016.18

6.8.0-1016.18

ubuntu/linux-riscv<6.8.0-50.51.1

6.8.0-50.51.1

ubuntu/linux-xilinx<6.8.0-1017.18

6.8.0-1017.18

ubuntu/linux-raspi-realtime<6.8.0-2015.16

6.8.0-2015.16

ubuntu/linux-realtime<6.8.1-1013.14

6.8.1-1013.14

ubuntu/linux-fips<6.8.0-78.78+fips1

6.8.0-78.78+fips1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
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Fixed in 5.4.0-1135.145~18.04.1
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Fixed in 5.4.0-1140.147~18.04.1
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Fixed in 5.4.0-1139.148~18.04.1
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Fixed in 5.4.0-200.220~18.04.1
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Fixed in 5.4.0-1082.87~18.04.1
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Fixed in 5.4.0-1134.143~18.04.1
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Fixed in 5.4.0-1119.131~18.04.1
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Fixed in 5.4.0-200.220
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Fixed in 5.4.0-1135.145
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Fixed in 5.15.0-1072.78~20.04.1
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Fixed in 5.4.0-1140.147
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Fixed in 5.15.0-1078.87~20.04.1
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Fixed in 5.4.0-1095.102
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Fixed in 5.4.0-1139.148
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Fixed in 5.15.0-1071.79~20.04.1
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Fixed in 5.4.0-1102.106
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Fixed in 5.15.0-1055.62~20.04.1
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Fixed in 5.15.0-125.135~20.04.1
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Fixed in 5.4.0-1082.87
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Fixed in 5.15.0-1065.68~20.04.1
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Fixed in 5.15.0-1067.73~20.04.1
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Fixed in 5.4.0-1044.45
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Fixed in 5.4.0-1123.131
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Fixed in 5.15.0-125.135~20.04.1
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Fixed in 5.15.0-1032.32~20.04.1
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Fixed in 5.4.0-1134.143
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Fixed in 5.15.0-1070.76~20.04.1
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Fixed in 5.4.0-1119.131
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Fixed in 5.15.0-1068.72~20.04.1
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Fixed in 5.4.0-1054.58
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Fixed in 5.4.0-1135.145+fips1
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Fixed in 5.4.0-1140.147+fips1
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Fixed in 5.4.0-1109.119
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Fixed in 5.4.0-1139.148+fips1
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Fixed in 5.15.0-125.135
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Fixed in 5.15.0-1072.78
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Fixed in 6.8.0-1020.22~22.04.1
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Fixed in 5.15.0-1075.84
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Fixed in 6.8.0-1020.23~22.04.1
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Fixed in 5.15.0-1076.85.1
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Fixed in 5.15.0-1071.79
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Fixed in 6.8.0-1019.21~22.04.1
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Fixed in 5.15.0-1069.75
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Fixed in 5.15.0-1055.62
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Fixed in 6.8.0-50.51~22.04.1
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Fixed in 5.15.0-1065.68
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Fixed in 6.8.0-1017.17~22.04.1
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Fixed in 5.15.0-1067.73
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Fixed in 5.15.0-1069.74
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Fixed in 5.15.0-125.135
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Fixed in 6.8.0-50.51.1~22.04.1
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Fixed in 5.15.0-1067.68
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Fixed in 6.8.0-1019.21~22.04.1
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Fixed in 5.15.0-1032.32
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Fixed in 5.15.0-1020.20
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Fixed in 5.15.0-1070.76
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Fixed in 6.8.0-1017.18~22.04.1
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Fixed in 5.15.0-1065.68
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Fixed in 6.8.0-50.51.1~22.04.1
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Fixed in 5.15.0-1038.42
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Fixed in 5.15.0-1056.58
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Fixed in 5.15.0-1066.68
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Fixed in 5.15.0-1073.81
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Fixed in 6.8.1-1013.14~22.04.1
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Fixed in 5.15.0-1072.78+fips1
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Fixed in 5.15.0-1075.84+fips1
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Fixed in 5.15.0-125.135+fips1
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Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.15.0-1071.79+fips1
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Fixed in 6.8.0-50.51
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Fixed in 6.8.0-1020.22
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Fixed in 6.8.0-1020.23
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Fixed in 6.8.0-1019.21
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Fixed in 6.8.0-1015.19
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Fixed in 6.8.0-1002.4
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Fixed in 6.8.0-1017.17
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Fixed in 6.8.0-50.51.1
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Fixed in 6.8.0-1019.21
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Fixed in 6.8.0-1019.21.1
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Fixed in 6.8.0-1018.18
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Fixed in 6.8.0-1017.18
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Fixed in 6.8.0-1016.18
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Fixed in 6.8.0-50.51.1
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Fixed in 6.8.0-1017.18
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Fixed in 6.8.0-2015.16
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Fixed in 6.8.1-1013.14
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Fixed in 6.8.0-78.78+fips1
Compensating control
In the Linux kernel pinctrl single driver, update pcs_get_function() to check whether the pointer returned by pinmux_generic_get_function() is NULL before dereferencing 'function'.

Event History

Sep 13, 2024

CVE Published

via MITRE·05:29 AM

Data Sourced

via MITRE·05:29 AM

Description

Data Sourced

via OSV·06:15 AM

DescriptionSeverityAffected Software

Data Sourced

via NVD·06:15 AM

RemedyDescriptionSeverityWeaknessAffected Software

Oct 12, 2024

Data Sourced

via Microsoft·07:00 AM

DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

DSA-5782

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

What is the severity of CVE-2024-46685?

CVE-2024-46685 is considered to have a medium severity due to its potential for causing a NULL dereference leading to application crashes.

How do I fix CVE-2024-46685?

To fix CVE-2024-46685, update the Linux Kernel to the patched versions such as 5.10.226-1 or 6.1.123-1.

Which Linux Kernel versions are affected by CVE-2024-46685?

CVE-2024-46685 affects Linux Kernel versions from 4.11 to 4.19.321, 4.20 to 5.4.283, 5.5 to 5.10.225, and others up to 6.11-rc5.

How can I verify if my system is vulnerable to CVE-2024-46685?

You can verify vulnerability by checking your Linux Kernel version against the affected range outlined in CVE-2024-46685.

Is there a workaround for CVE-2024-46685?

There is no official workaround for CVE-2024-46685, and it is recommended to apply the necessary updates as soon as possible.

CVE-2024-46685: pinctrl: single: fix potential NULL dereference in pcs_get_function()

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2024-46685?

How do I fix CVE-2024-46685?

Which Linux Kernel versions are affected by CVE-2024-46685?

How can I verify if my system is vulnerable to CVE-2024-46685?

Is there a workaround for CVE-2024-46685?

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