Use of uninitialized resource in Linux kernel - CVE-2025-38086

Vulnerability identifier: #VU112120

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-38086

CWE-ID: CWE-908

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the ch9200_mdio_read() function in drivers/net/usb/ch9200.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
Red Hat Enterprise Linux for Real Time
Anolis OS
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
openEuler
Ubuntu
Netezza Appliance
Technical Support Appliance
IBM Qradar SIEM
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel (Red Hat package)
kernel-rt (Red Hat package)
bpftool
kernel-doc
kernel-abi-stablelists
python3-perf
perf
kernel-tools-libs-devel
kernel-tools
kernel
kernel-core
kernel-cross-headers
kernel-debug
kernel-debug-core
kernel-debug-devel
kernel-debug-modules
kernel-tools-libs
kernel-devel
kernel-modules-extra
kernel-debug-modules-extra
kernel-headers
kernel-modules
python3-perf-debuginfo
python2-perf-debuginfo
python2-perf
perf-debuginfo
kernel-tools-devel
kernel-tools-debuginfo
kernel-source
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-nvidia-tegra-igx (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-kvm (Ubuntu package)
linux-oracle-5.15 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux (Debian package)
kernel-extra-modules
kernel-64k
kernel-64k-debug
kernel-64k-debug-devel
kernel-64k-devel
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime-6.8 (Ubuntu package)
linux-hwe-6.14 (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
linux-gcp-6.14 (Ubuntu package)
Red Hat OpenShift Container Platform

Install update from vendor's repository.

Netezza Appliance - update to 1.0.1.0 fp278500
IBM Qradar SIEM - update to 7.5.0 Update Pack 13 IF01
Technical Support Appliance - update to 3.1.0
Red Hat OpenShift Container Platform - update to 4.14.54
kernel (Red Hat package) - addressed in versions 4.18.0-193.164.1.el8_2, 4.18.0-305.168.1.el8_4, 4.18.0-372.157.1.el8_6, 4.18.0-477.106.1.el8_8, 5.14.0-70.142.1.el9_0, 5.14.0-570.30.1.el9_6, 6.12.0-55.25.1.el10_0
kernel-rt (Red Hat package) - addressed in versions 4.18.0-553.63.1.rt7.404.el8_10, 5.14.0-70.142.1.rt21.214.el9_0
bpftool - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-doc - update to 4.18.0-553.63.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.63.1.0.1
python3-perf - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
perf - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-tools-libs-devel - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-tools - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-core - update to 4.18.0-553.63.1.0.1
kernel-cross-headers - update to 4.18.0-553.63.1.0.1
kernel-debug - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-debug-core - update to 4.18.0-553.63.1.0.1
kernel-debug-devel - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-debug-modules - update to 4.18.0-553.63.1.0.1
kernel-tools-libs - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-devel - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-modules-extra - update to 4.18.0-553.63.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.63.1.0.1
kernel-headers - addressed in versions 4.18.0-553.63.1.0.1, 6.6.102-5
kernel-modules - update to 4.18.0-553.63.1.0.1
kernel-tools - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python3-perf-debuginfo - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python3-perf - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python2-perf-debuginfo - update to 4.19.90-2508.3.0.0341
python2-perf - update to 4.19.90-2508.3.0.0341
perf-debuginfo - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
perf - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-tools-devel - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-tools-debuginfo - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-source - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-debugsource - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-debuginfo - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
bpftool-debuginfo - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
bpftool - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-devel - addressed in versions 4.19.90-2508.3.0.0341, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-headers - addressed in versions 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.156.89, 5.15.0-156.166+fips1, 5.15.0.1092.82, 5.15.0.1092.88, 5.15.0-1092.99+fips1, 5.15.0-1092.101+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.156.135, 5.15.0.156.154, 5.15.0-156.166, 5.15.0.156.166~20.04.1, 5.15.0-156.166~20.04.1, 5.15.0.1045.45, 5.15.0-1045.45, 5.15.0.1045.45~20.04.1, 5.15.0-1045.45~20.04.1, 5.15.0.1056.59, 5.15.0-1056.60, 5.15.0.1075.74, 5.15.0-1075.83, 5.15.0.1086.82, 5.15.0.1086.84, 5.15.0-1086.89, 5.15.0-1086.89~20.04.1, 5.15.0.1086.89~20.04.1, 5.15.0.1087.87, 5.15.0-1087.88, 5.15.0.1087.91~20.04.1, 5.15.0-1087.91~20.04.1, 5.15.0-1087.93, 5.15.0.1087.93~20.04.1, 5.15.0-1087.93~20.04.1, 5.15.0.1089.88, 5.15.0-1089.95, 5.15.0.1090.86, 5.15.0-1090.96, 5.15.0.1092.88, 5.15.0.1092.95, 5.15.0-1092.99, 5.15.0-1092.99~20.04.1, 5.15.0.1092.99~20.04.1, 5.15.0-1092.101, 5.15.0-1092.101~20.04.1, 5.15.0.1092.101~20.04.1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-34.34, 6.14.0-1014.14~24.04.1, 6.14.0-1015.15, 6.14.0-1015.15~24.04.1, 6.14.0-1016.16, 6.14.0-1018.19
linux-nvidia-tegra-igx (Ubuntu package) - addressed in versions 5.15.0-1034.34, 5.15.0.1034.36
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1085.87, 5.15.0.1085.89, 5.15.0.1092.96, 5.15.0-1092.101
linux-kvm (Ubuntu package) - addressed in versions 5.15.0.1088.84, 5.15.0-1088.93
linux-oracle-5.15 (Ubuntu package) - addressed in versions 5.15.0-1090.96~20.04.1, 5.15.0.1090.96~20.04.1
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1096.81, 5.15.0-1096.105+fips1, 6.8.0-1046.52+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1096.94, 5.15.0-1096.105, 6.8.0-1046.52, 6.14.0-1007.7+25.10.1, 6.14.0-1014.14, 6.14.0-1014.14~24.04.1
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0-1096.105~20.04.1, 5.15.0.1096.105~20.04.1
linux (Debian package) - update to 6.1.147-1
kernel-extra-modules - update to 6.6.0-112.0.0.118
kernel-64k - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-devel - update to 6.6.102-5
linux-lowlatency (Ubuntu package) - update to 6.8.0-100.100.1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100.1~22.04.1, 6.8.0-100.100~22.04.1
linux-xilinx (Ubuntu package) - addressed in versions 6.8.0.1023.24, 6.8.0-1023.24
linux-aws (Ubuntu package) - addressed in versions 6.8.0-1030.33, 6.8.0-1043.44, 6.8.0-1043.44~22.04.1, 6.8.0-1046.49~22.04.1
linux-gcp (Ubuntu package) - addressed in versions 6.8.0-1043.48, 6.8.0-1047.50~22.04.2
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1044.44, 6.8.0-1044.44~22.04.1
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1047.50+fips1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1047.50~22.04.2
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-raspi-realtime (Ubuntu package) - addressed in versions 6.8.0-2037.38, 6.8.1-1041.42
linux-realtime-6.8 (Ubuntu package) - update to 6.8.1-1041.42~22.04.1
linux-hwe-6.14 (Ubuntu package) - update to 6.14.0-34.34~24.04.1
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1014.14~24.04.1
linux-aws-6.14 (Ubuntu package) - update to 6.14.0-1015.15~24.04.1
linux-gcp-6.14 (Ubuntu package) - update to 6.14.0-1018.19~24.04.1

• https://git.kernel.org/stable/c/119766de4930ff40db9f36b960cb53b0c400e81b
• https://git.kernel.org/stable/c/33163c68d2e3061fa3935b5f0a1867958b1cdbd2
• https://git.kernel.org/stable/c/4da7fcc098218ff92b2e83a43f545c02f714cedd
• https://git.kernel.org/stable/c/6bd2569d0b2f918e9581f744df0263caf73ee76c
• https://git.kernel.org/stable/c/9a350f30d65197354706b7759b5c89d6c267b1a9
• https://git.kernel.org/stable/c/9ad0452c0277b816a435433cca601304cfac7c21
• https://git.kernel.org/stable/c/9da3e442714f7f4393ff01c265c4959c03e88c2f
• https://git.kernel.org/stable/c/cdaa6d1cb2ff1219c6c822b27655dd170ffb0f72

• Use of uninitialized resource in Linux kernel net usb driver
• Red Hat Enterprise Linux 8 update for kernel-rt
• Anolis OS update for kernel:4.18
• Red Hat Enterprise Linux 9 update for kernel
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14
• Red Hat Enterprise Linux 10 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• Debian update for linux
• Red Hat Enterprise Linux 9 update for kernel
• Red Hat Enterprise Linux 9 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• Multiple vulnerabilities in IBM QRadar SIEM
• openEuler 20.03 LTS SP4 update for kernel
• Ubuntu update for linux
• Ubuntu update for linux-azure-fips
• Ubuntu update for linux-intel-iot-realtime
• Ubuntu update for linux-aws-fips
• Ubuntu update for linux-oracle-5.15
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-5.15
• Ubuntu update for linux-kvm
• Ubuntu update for linux-nvidia-tegra-igx
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel
• Multiple vulnerabilities in IBM Technical Support Appliance
• openEuler 24.03 LTS SP2 update for kernel
• openEuler 24.03 LTS SP1 update for kernel
• openEuler 24.03 LTS update for kernel
• Ubuntu update for linux-realtime-6.14
• Ubuntu update for linux-azure
• Ubuntu update for linux
• Anolis OS update for kernel:6.6
• Ubuntu update for linux-aws-6.14
• Ubuntu update for linux-gcp-6.14
• Ubuntu update for linux-hwe-6.14
• Ubuntu update for linux
• Ubuntu update for linux-realtime-6.8
• Ubuntu update for linux-gcp-6.8
• Ubuntu update for linux-aws-fips
• Ubuntu update for linux-raspi-realtime
• Ubuntu update for linux-aws
• Ubuntu update for linux-gcp-fips
• Ubuntu update for linux-hwe-6.8
• Ubuntu update for linux-lowlatency
• Ubuntu update for linux-gcp
• Ubuntu update for linux-nvidia-lowlatency
• Ubuntu update for linux-xilinx
• Ubuntu update for linux-ibm
• Ubuntu update for linux-azure-fips
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-6.8
• Multiple vulnerabilities in IBM Netezza Appliance