CVE-2025-39676
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-05

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla4xxx: Prevent a potential error pointer dereference The qla4xxx_get_ep_fwdb() function is supposed to return NULL on error, but qla4xxx_ep_connect() returns error pointers. Propagating the error pointers will lead to an Oops in the caller, so change the error pointers to NULL.
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Meta Information
Published
2025-09-05
Last Modified
2025-11-03
Generated
2026-05-07
AI Q&A
2025-09-05
EPSS Evaluated
2026-05-05
NVD
CVE-2025-39676
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux kernel 6.1.153
linux kernel 5.10.244
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is in the Linux kernel's qla4xxx driver. The function qla4xxx_get_ep_fwdb() should return NULL when an error occurs, but instead, the qla4xxx_ep_connect() function returns error pointers. These error pointers, when propagated, can cause the kernel to crash (an Oops) in the calling function. The fix changes the error pointers to NULL to prevent this crash.


How can this vulnerability impact me? :

This vulnerability can cause the Linux kernel to crash unexpectedly due to improper handling of error pointers in the qla4xxx driver. Such crashes can lead to system instability, potential downtime, and loss of service.


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