CVE-2025-39858
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-19

Last updated on: 2025-12-12

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring Replace NULL check with IS_ERR() check after calling page_pool_create() since this function returns error pointers (ERR_PTR). Using NULL check could lead to invalid pointer dereference.
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Meta Information
Published
2025-09-19
Last Modified
2025-12-12
Generated
2026-05-27
AI Q&A
2025-09-19
EPSS Evaluated
2026-05-26
NVD
CVE-2025-39858
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.15 (inc) to 6.16.6 (exc)
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a bug in the Linux kernel's mlx4 network driver where an incorrect check was used after calling the function page_pool_create(). The code checked for NULL to detect errors, but page_pool_create() returns error pointers (ERR_PTR), not NULL. This mistake could lead to invalid pointer dereference, causing potential crashes or instability.


How can this vulnerability impact me? :

The vulnerability can cause the Linux kernel to dereference invalid pointers, which may lead to system crashes, instability, or denial of service in systems using the mlx4 network driver.


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