CVE-2025-38671: i2c: qup: jump out of the loop in case of timeout

Q: What is the severity of CVE-2025-38671?

CVE-2025-38671 is classified as a vulnerability affecting the Linux kernel related to improper handling of I2C bus timeouts.

Q: How do I fix CVE-2025-38671?

To resolve CVE-2025-38671, update to the latest version of the Linux kernel that includes the patch for this vulnerability.

Q: What systems are affected by CVE-2025-38671?

CVE-2025-38671 affects systems running vulnerable versions of the Linux kernel with improper I2C handling.

Q: Is CVE-2025-38671 remotely exploitable?

CVE-2025-38671 is primarily a local vulnerability requiring access to system resources, but it can be exploited by a malicious or buggy I2C client.

Q: What is the impact of CVE-2025-38671?

CVE-2025-38671 may allow an attacker to cause unexpected behavior in I2C communication, potentially leading to system instability.

Published Aug 22, 2025

Updated

i2c: qup: jump out of the loop in case of timeout

Affected Software

227 affected componentsFixes available

Linux Kernel

Microsoft azl3 kernel 6.6.96.2-1

Microsoft cbl2 kernel 5.15.186.1-1

Patch available

Microsoft azl3 kernel 6.6.96.2-2

Patch available

Linux Linux kernel>=4.17<5.4.297

Linux Linux kernel>=5.5<5.10.241

Linux Linux kernel>=5.11<5.15.190

Linux Linux kernel>=5.16<6.1.148

Linux Linux kernel>=6.2<6.6.101

Linux Linux kernel>=6.7<6.12.41

Linux Linux kernel>=6.13<6.15.9

Linux Linux kernel=6.16-rc1

Linux Linux kernel=6.16-rc2

Linux Linux kernel=6.16-rc3

Linux Linux kernel=6.16-rc4

Linux Linux kernel=6.16-rc5

Linux Linux kernel=6.16-rc6

Linux Linux kernel=6.16-rc7

Debian Debian Linux=11.0

debian/linux<6.1.148-1

6.1.148-1

debian/linux<6.12.41-1

6.12.41-1

debian/linux<6.16.3-1

6.16.3-1

debian/linux

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

linux/kernel>=4.17.0<5.4.297

5.4.297

linux/kernel>=5.5.0<5.10.241

5.10.241

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<6.6.101

6.6.101

linux/kernel>=6.7.0<6.12.41

6.12.41

linux/kernel>=6.13.0<6.15.9

6.15.9

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-aws-5.4*

ubuntu/linux-azure*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4*

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

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-oem*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4*

ubuntu/linux-raspi-5.4*

ubuntu/linux*

ubuntu/linux-aws*

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*

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-bluefield*

ubuntu/linux-gcp*

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*

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-iot*

ubuntu/linux-kvm*

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*

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-raspi*

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-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<5.15.0-163.173

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.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.148-1
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Fixed in 6.12.41-1
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Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.16.3-1
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 7.2.12-1Fixed in 7.2.15-1
Upgrade
Upgrade linux/Kernel to a version that resolves this vulnerability.
Fixed in 5.4.297
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Fixed in 5.10.241
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Upgrade linux/Kernel to a version that resolves this vulnerability.
Fixed in 5.15.190
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Upgrade linux/Kernel to a version that resolves this vulnerability.
Fixed in 6.1.148
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Fixed in 6.6.101
Upgrade
Upgrade linux/Kernel to a version that resolves this vulnerability.
Fixed in 6.12.41
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Upgrade linux/Kernel to a version that resolves this vulnerability.
Fixed in 6.15.9
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Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1097.104~20.04.1
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Fixed in 5.15.0-1102.111~20.04.1
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Fixed in 5.15.0-1097.106~20.04.1
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Fixed in 5.15.0-163.173~20.04.1
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Fixed in 5.15.0-1091.94~20.04.1
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Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1092.98~20.04.1
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Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-163.173~20.04.1
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Fixed in 5.15.0-1049.49~20.04.1
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Fixed in 5.15.0-1094.100~20.04.1
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Fixed in 5.15.0-1092.96~20.04.1
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Fixed in 5.15.0-163.173
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Fixed in 5.15.0-1097.104
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Fixed in 6.8.0-1046.49~22.04.1
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Fixed in 5.15.0-1101.110
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Fixed in 6.8.0-1051.57~22.04.1
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Fixed in 5.15.0-1102.111.1
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Upgrade ubuntu/linux-azure-fde-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1046.53~22.04.1
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Fixed in 5.15.0-1097.106
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Upgrade ubuntu/linux-gcp-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1047.50~22.04.2
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Fixed in 5.15.0-1093.99
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Fixed in 5.15.0-1080.88
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Fixed in 6.8.0-100.100~22.04.1
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Fixed in 5.15.0-1091.94
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Fixed in 6.8.0-1044.44~22.04.1
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Fixed in 5.15.0-1092.98
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Fixed in 5.15.0-1089.94
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Fixed in 5.15.0-163.173
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Fixed in 6.8.0-100.100.1~22.04.1
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Fixed in 5.15.0-1092.93
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Fixed in 6.8.0-1046.49~22.04.1
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Fixed in 5.15.0-1049.49
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Fixed in 5.15.0-1038.38
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Fixed in 5.15.0-1094.100
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Fixed in 6.8.0-1043.44~22.04.1
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Fixed in 5.15.0-1091.94
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Fixed in 6.8.0-100.100~22.04.1
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Fixed in 5.15.0-1061.65
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Fixed in 5.15.0-1081.83
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Fixed in 5.15.0-1089.91
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Fixed in 5.15.0-1096.105
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Fixed in 6.8.1-1041.42~22.04.1
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Fixed in 5.15.0-1097.104+fips1
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Fixed in 5.15.0-1101.110+fips1
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Fixed in 5.15.0-163.173+fips1
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Fixed in 5.15.0-1097.106+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 6.14.0-1017.17~24.04.1
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Fixed in 6.8.0-1046.52
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Fixed in 6.14.0-1017.17~24.04.1
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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 6.14.0-1020.21~24.04.1
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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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Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 6.8.0-1044.44
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Fixed in 6.8.0-100.100.1
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Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.
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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Fixed in 6.14.0-1016.16
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Fixed in 6.8.0-1043.44
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Fixed in 6.14.0-1017.17~24.04.1
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Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 6.8.0-1047.51
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Upgrade ubuntu/linux-riscv-6.14 to a version that resolves this vulnerability.
Fixed in 6.14.0-36.36.1~24.04.1
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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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Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 6.8.1-1041.42
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Upgrade ubuntu/linux-realtime-6.14 to a version that resolves this vulnerability.
Fixed in 6.14.0-1016.16~24.04.1
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Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
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

Aug 22, 2025

CVE Published

via MITRE·04:03 PM

Data Sourced

via MITRE·04:03 PM

Description

Data Sourced

via OSV·04:03 PM

DescriptionAffected Software

Data Sourced

via NVD·04:15 PM

RemedyDescriptionSeverityAffected Software

Sep 3, 2025

Data Sourced

via Microsoft·10:19 PM

DescriptionSeverityWeaknessAffected 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-2025-38671?

CVE-2025-38671 is classified as a vulnerability affecting the Linux kernel related to improper handling of I2C bus timeouts.

How do I fix CVE-2025-38671?

To resolve CVE-2025-38671, update to the latest version of the Linux kernel that includes the patch for this vulnerability.

What systems are affected by CVE-2025-38671?

CVE-2025-38671 affects systems running vulnerable versions of the Linux kernel with improper I2C handling.

Is CVE-2025-38671 remotely exploitable?

CVE-2025-38671 is primarily a local vulnerability requiring access to system resources, but it can be exploited by a malicious or buggy I2C client.

What is the impact of CVE-2025-38671?

CVE-2025-38671 may allow an attacker to cause unexpected behavior in I2C communication, potentially leading to system instability.

CVE-2025-38671: i2c: qup: jump out of the loop in case of timeout

Affected Software

Remediation

Event History

Peer vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2025-38671?

How do I fix CVE-2025-38671?

What systems are affected by CVE-2025-38671?

Is CVE-2025-38671 remotely exploitable?

What is the impact of CVE-2025-38671?

Company

Resources

Contact