CVE-2025-38726
kernel: net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · September 4, 2025
Updated · June 30, 2026
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.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE not specified