CVE-2025-38613
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-19

Last updated on: 2025-11-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: staging: gpib: fix unset padding field copy back to userspace The introduction of a padding field in the gpib_board_info_ioctl is showing up as initialized data on the stack frame being copyied back to userspace in function board_info_ioctl. The simplest fix is to initialize the entire struct to zero to ensure all unassigned padding fields are zero'd before being copied back to userspace.
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Meta Information
Published
2025-08-19
Last Modified
2025-11-26
Generated
2026-05-27
AI Q&A
2025-08-19
EPSS Evaluated
2026-05-25
NVD
CVE-2025-38613
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-908 The product uses or accesses a resource that has not been initialized.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel involves the gpib driver where a padding field in the gpib_board_info_ioctl structure was not properly initialized before being copied back to userspace. This caused uninitialized data from the stack to be exposed to userspace. The fix was to initialize the entire structure to zero to ensure all padding fields are zeroed before copying.


How can this vulnerability impact me? :

The vulnerability could lead to leakage of uninitialized kernel stack data to userspace, potentially exposing sensitive information or causing unexpected behavior in applications interacting with the gpib driver.


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