CVE-2025-38725
Estado: ModificadaMedia (5.5)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-476
Referencias
- https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114
- https://git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524
- https://git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe
- https://git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff
- https://git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773
- https://git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a
- https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: asix_devices: add phy_mask for ax88772 mdio bus\n\nWithout setting phy_mask for ax88772 mdio bus, current driver may create\nat most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.\nDLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy\ndevice will bind to net phy driver. This is creating issue during system\nsuspend/resume since phy_polling_mode() in phy_state_machine() will\ndirectly deference member of phydev->drv for non-main phy devices. Then\nNULL pointer dereference issue will occur. Due to only external phy or\ninternal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud\nthe issue."
}
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