Vulnerability in Linux

CVE-2025-40239

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: always set shared->phydev for LAN8814 Currently, during the LAN8814 PTP probe shared->phydev is only set if PTP clock gets actually set, otherwise the function will return before setting it. This is an issue as shared->phydev is unconditionally being used when IRQ is being handled, especially in lan8814_gpio_process_cap and since it was not set it will cause a NULL pointer exception and crash the kernel. So, simply always set shared->phydev to avoid the NULL pointer exception.

EPSS: 0.002 (7.5th percentile) — read the EPSS interpretation.

Affected products

  • Linux — versions b3f1a08fcf0dd58d99b14b9f8fbd1929f188b746, 6.10, 0

References