CVE-2025-38725
Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: asix_devices: add phy_mask for ax88772 mdio bus Without setting phy_mask for ax88772 mdio bus, current driver may create at most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f. DLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy device will bind to net phy driver. This is creating issue during system suspend/resume since phy_polling_mode() in phy_state_machine() will directly deference member of phydev->drv for non-main phy devices. Then NULL pointer dereference issue will occur. Due to only external phy or internal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud the issue.
How to fix
- linux linux_kernel5.15.190, 6.1.149, 6.6.103, 6.12.43, 6.15.11, 6.16.2 or later
- git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114
- git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524
- git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe
- git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff
- git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773
- git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a
- git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.14 ≤ v < 5.15.190, 5.16 ≤ v < 6.1.149, 6.2 ≤ v < 6.6.103, 6.7 ≤ v < 6.12.43, 6.13 ≤ v < 6.15.11, 6.16 ≤ v < 6.16.2, 6.17 | 5.15.190, 6.1.149, 6.6.103, 6.12.43, 6.15.11, 6.16.2 |
| debian debian_linux | 11.0 | — |
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