CVE-2025-71094

In the Linux kernel, the following vulnerability has been resolved: net: usb: asix: validate PHY address before use The ASIX driver reads the PHY address from the USB device via asix_read_phy_addr(). A malicious or faulty device can return an invalid address (>= PHY_MAX_ADDR), which causes a warning in mdiobus_get_phy(): addr 207 out of range WARNING: drivers/net/phy/mdio_bus.c:76 Validate the PHY address in asix_read_phy_addr() and remove the now-redundant check in ax88172a.c.

Score

CVSS 3.1 5.5 Medium

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-01-13

Last modified

2026-10-19

Weaknesses

CWE-20

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/fc96018f09f8d30586ca6582c5045a84eafef146
• https://git.kernel.org/stable/c/f5f4f30f3811d37e1aa48667c36add74e5a8d99f
• https://git.kernel.org/stable/c/38722e69ee64dbb020028c93898d25d6f4c0e0b2
• https://git.kernel.org/stable/c/98a12c2547a44a5f03f35c108d2022cc652cbc4d
• https://git.kernel.org/stable/c/bf8a0f3b787ca7c5889bfca12c60c483041fbee3
• https://git.kernel.org/stable/c/a1e077a3f76eea0dc671ed6792e7d543946227e8