CVE-2025-71094

MEDIUM

Linux Kernel - Unauthenticated Denial of Service via Invalid PHY Address in ASIX USB Driver

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.5
EPSS 0.0003
EPSS Percentile 9.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (24)
linux/Kernel 5.14.0 - 5.15.198linux
linux/Kernel 5.16.0 - 6.1.160linux
linux/Kernel 6.13.0 - 6.18.4linux
linux/Kernel 6.2.0 - 6.6.120linux
linux/Kernel 6.7.0 - 6.12.64linux
Linux/Linux < 5.14
Linux/Linux 4e4f3cb41d687bd64cd03358862b23c84d82329e
Linux/Linux 5.13.13 - 5.14
Linux/Linux 5.14
Linux/Linux 5.15.198 - 5.15.*
... and 14 more
Published Jan 13, 2026
Tracked Since Feb 18, 2026