CVE-2025-38699
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-04

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: scsi: bfa: Double-free fix When the bfad_im_probe() function fails during initialization, the memory pointed to by bfad->im is freed without setting bfad->im to NULL. Subsequently, during driver uninstallation, when the state machine enters the bfad_sm_stopping state and calls the bfad_im_probe_undo() function, it attempts to free the memory pointed to by bfad->im again, thereby triggering a double-free vulnerability. Set bfad->im to NULL if probing fails.
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Meta Information
Published
2025-09-04
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-09-04
EPSS Evaluated
2026-06-15
NVD
CVE-2025-38699
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel 5.10.244
linux linux_kernel 6.1.153
Helpful Resources
Exploitability
CWE
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a double-free issue in the Linux kernel's SCSI bfa driver. Specifically, if the bfad_im_probe() function fails during initialization, it frees memory pointed to by bfad->im but does not set bfad->im to NULL. Later, during driver uninstallation, the bfad_im_probe_undo() function tries to free the same memory again, causing a double-free vulnerability.

Impact Analysis

The double-free vulnerability can lead to undefined behavior such as memory corruption, system crashes, or potential exploitation by attackers to execute arbitrary code or cause denial of service.

Mitigation Strategies

Update the Linux kernel to a version where the double-free vulnerability in the bfad driver has been fixed. Specifically, ensure that the bfad_im_probe() function properly sets bfad->im to NULL if probing fails, preventing the double-free during driver uninstallation.

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