Resource Leak in Linux Kernel IIO SCA3000 Driver

Publication date: 2026-05-27

Last updated on: 2026-06-25

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: iio: sca3000: Fix a resource leak in sca3000_probe() spi->irq from request_threaded_irq() not released when iio_device_register() fails. Add an return value check and jump to a common error handler when iio_device_register() fails.

CVSS Scores

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Meta Information

Published

2026-05-27

Last Modified

2026-06-25

Generated

2026-07-06

AI Q&A

2026-05-27

EPSS Evaluated

2026-07-05

NVD

CVE-2026-45883

EUVD

EUVD-2026-32349

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 6.13 (inc) to 6.18.14 (exc)
linux	linux_kernel	From 6.19 (inc) to 6.19.4 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.6.128 (exc)
linux	linux_kernel	From 6.7 (inc) to 6.12.75 (exc)
linux	linux_kernel	From 5.11 (inc) to 5.15.202 (exc)
linux	linux_kernel	From 5.16 (inc) to 6.1.165 (exc)
linux	linux_kernel	From 4.10 (inc) to 5.10.252 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-401	The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Attack-Flow Graph

Executive Summary

This vulnerability is a resource leak in the Linux kernel related to the iio: sca3000 driver. Specifically, when the function iio_device_register() fails during the initialization process, the interrupt request (irq) obtained from request_threaded_irq() is not properly released. The fix involves adding a return value check and directing the flow to a common error handler to ensure resources are correctly freed when registration fails.

Impact Analysis

The impact of this vulnerability is a resource leak in the Linux kernel's device driver. This could potentially lead to system instability or degraded performance over time as resources such as interrupts are not properly released when device registration fails. However, no direct information about exploitation or further consequences is provided.

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