CVE-2025-38726 – net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect

CVE ID : CVE-2025-38726

Published : Sept. 4, 2025, 4:15 p.m. | 56 minutes ago

Description : In the Linux kernel, the following vulnerability has been resolved:

net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect

After the call to phy_disconnect() netdev->phydev is reset to NULL.
So fixed_phy_unregister() would be called with a NULL pointer as argument.
Therefore cache the phy_device before this call.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…