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Vulnerability · Published Oct 20, 2025 · Assigned by Linux

CVE-2025-40005spi: cadence-quadspi: Implement refcount to handle unbind during busy

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 90.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removal(unbind) operation. However force device removal(removal) is still available to root superuser. Unbinding driver during operation causes kernel crash. This changes ensure driver able to handle such operation for indirect read and indirect write by implementing refcount to track attached devices to the controller and gracefully wait and until attached devices remove operation completed before proceed with removal operation.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.170-1DEBIAN-CVE-2025-40005
Debian:13linux6.12.85-1DEBIAN-CVE-2025-40005
Debian:14linux6.16.10-1DEBIAN-CVE-2025-40005
Ubuntu:22.04:LTSlinux5.15.0-186.196UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux5.15.0-186.196USN-8575-1
Ubuntu:24.04:LTSlinux6.8.0-134.134UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux6.8.0-134.134USN-8492-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-aws5.15.0-1112.119USN-8575-2
Ubuntu:22.04:LTSlinux-aws5.15.0-1112.119UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-aws6.8.0-1060.63UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-aws6.8.0-1060.63USN-8492-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1060.63~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1060.63~22.04.1USN-8492-2
Ubuntu:22.04:LTSlinux-azure5.15.0-1117.126USN-8575-3
Ubuntu:22.04:LTSlinux-azure5.15.0-1117.126UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure6.8.0-1063.71UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure6.8.0-1063.71USN-8606-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1063.71~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1063.71~22.04.1USN-8606-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1117.126UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1117.126USN-8610-1
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1062.69UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1062.69USN-8607-1
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1062.69~22.04.1USN-8609-1
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1062.69~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp5.15.0-1112.122UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp5.15.0-1112.122USN-8575-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1063.69USN-8492-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1063.69UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1063.69~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1063.69~22.04.1USN-8492-2
Ubuntu:22.04:LTSlinux-gke5.15.0-1108.114UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-gke5.15.0-1108.114USN-8575-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1058.64UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-gke6.8.0-1058.64USN-8492-2
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1095.103USN-8575-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1095.103UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1045.48USN-8492-2
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1045.48UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-136.136~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-136.136~22.04.1USN-8619-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1106.110USN-8575-2
Ubuntu:22.04:LTSlinux-ibm5.15.0-1106.110UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-ibm6.8.0-1060.61USN-8492-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1060.61UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1060.61~22.04.1USN-8492-2
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1060.61~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1107.113UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1107.113USN-8620-4
Ubuntu:22.04:LTSlinux-kvm5.15.0-1104.109UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-kvm5.15.0-1104.109USN-8575-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-184.194UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-184.194USN-8575-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-134.134.1USN-8497-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-134.134.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-134.134.1~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-134.134.1~22.04.1USN-8497-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1107.108USN-8575-2
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1107.108UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1058.61USN-8492-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1058.61UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1058.61~22.04.1USN-8492-1
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1058.61~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1058.61.1UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1058.61.1USN-8492-2
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1064.66UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1064.66USN-8576-2
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1029.30UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1029.30USN-8498-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1053.53UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1053.53USN-8576-2
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oracle5.15.0-1109.115UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oracle5.15.0-1109.115USN-8575-3
Ubuntu:24.04:LTSlinux-oracle6.8.0-1057.58UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-oracle6.8.0-1057.58USN-8492-1
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1057.58~22.04.1USN-8492-2
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1057.58~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-raspi5.15.0-1106.109USN-8668-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1106.109UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-raspi6.8.0-1060.64USN-8492-4
Ubuntu:24.04:LTSlinux-raspi6.8.0-1060.64UBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-134.134~22.04.1UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40005
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1032.33USN-8499-1
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1032.33UBUNTU-CVE-2025-40005
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1075.79USN-8575-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1075.79UBUNTU-CVE-2025-40005

Affected products (as reported)

VendorProductVersions
Linux Linux a314f6367787ee1d767df9a2120f17e4511144d0 – before 8ce3ebbe5c718940b4e94f5c25f5720223f893f8a314f6367787ee1d767df9a2120f17e4511144d0 – before 56787f4a75907ae99b5f5842b756fa68e2482f6da314f6367787ee1d767df9a2120f17e4511144d0 – before 8df235f768cea7a5829cb02525622646eb0df5f5a314f6367787ee1d767df9a2120f17e4511144d0 – before 65ed52200080eafce3eead05cf22ce01238defcaa314f6367787ee1d767df9a2120f17e4511144d0 – before b7ec8a2b094a33d0464958c2cbf75b8f229098b0a314f6367787ee1d767df9a2120f17e4511144d0 – before 7446284023e8ef694fb392348185349c773eefb3
Linux Linux 5.9

References