CVE-2025-38082
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-06-18

Last updated on: 2025-11-14

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix potential out-of-bound write If the caller wrote more characters, count is truncated to the max available space in "simple_write_to_buffer". Check that the input size does not exceed the buffer size. Write a zero termination afterwards.
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Meta Information
Published
2025-06-18
Last Modified
2025-11-14
Generated
2026-05-06
AI Q&A
2025-06-18
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
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-787 The product writes data past the end, or before the beginning, of the intended buffer.
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential out-of-bound write in the Linux kernel's gpio virtuser component. It occurs when the input size exceeds the buffer size in the simple_write_to_buffer function, which could lead to writing beyond the allocated memory. The fix involves truncating the count to the maximum available space and ensuring zero termination after the write.


How can this vulnerability impact me? :

An out-of-bound write vulnerability can lead to memory corruption, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code with kernel privileges, depending on the exploitation scenario.


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