Improper Data Initialization in Linux Kernel Affecting Comedi Subdevices
CVE-2025-38478

Currently unrated

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
28 July 2025

What is CVE-2025-38478?

This vulnerability in the Linux kernel affects the initialization of data for instructions that write to Comedi subdevices. Specifically, certain handlers do not properly initialize all data elements, potentially leading to the use of uninitialized data when these handlers are executed. This could cause unpredictable behavior or expose sensitive information when subdevice instructions are processed. The issue has been addressed by ensuring that the minimum required elements are initialized to zero before being used by the instruction handlers, thereby enhancing the overall robustness of the system.

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Affected Version(s)

Linux ed9eccbe8970f6eedc1b978c157caf1251a896d4 < 6f38c6380c3b38a05032b8881e41137385a6ce02

Linux ed9eccbe8970f6eedc1b978c157caf1251a896d4 < 13e4d9038a1e869445a996a3f604a84ef52fe8f4

Linux ed9eccbe8970f6eedc1b978c157caf1251a896d4 < 020eed5681d0f9bced73970368078a92d6cfaa9c

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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