net: usb: asix_devices: Fix PHY address mask in MDIO bus initialization
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: asix_devices: Fix PHY address mask in MDIO bus initialization Syzbot reported shift-out-of-bounds exception on MDIO bus initialization. The PHY address should be masked to 5 bits (0-31). Without this mask, invalid PHY addresses could be used, potentially causing issues with MDIO bus operations. Fix this by masking the PHY address with 0x1f (31 decimal) to ensure it stays within the valid range.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-38736
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/fcb4ce9f729c1d08e53abf9d449340e24c3edee6
- https://git.kernel.org/stable/c/8f141f2a4f2ef8ca865d5921574c3d6535e00a49
- https://git.kernel.org/stable/c/748da80831221ae24b4bc8d7ffb22acd5712a341
- https://git.kernel.org/stable/c/22042ffedd8c2c6db08ccdd6d4273068eddd3c5c
- https://git.kernel.org/stable/c/523eab02fce458fa6d3c51de5bb055800986953e
- https://git.kernel.org/stable/c/24ef2f53c07f273bad99173e27ee88d44d135b1c
More from Linux
View All →Affected Vendor
Linux
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.