{"id":"CVE-2025-38725","title":"net: usb: asix_devices: add phy_mask for ax88772 mdio bus","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 75947d3200de98a9ded9ad8972e02f1a177097fe","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 59ed6fbdb1bc03316e09493ffde7066f031c7524","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ccef5ee4adf56472aa26bdd1f821a6d0cd06089a","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ee2cd40b0bb46056949a2319084a729d95389386","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < a754ab53993b1585132e871c5d811167ad3c52ff","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ad1f8313aeec0115f9978bd2d002ef4a8d96c773","Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 4faff70959d51078f9ee8372f8cff0d7045e4114","Linux 5.14"],"published":"2025-09-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T08:41:59.819Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38725","references":[{"url":"https://git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe"},{"url":"https://git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524"},{"url":"https://git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a"},{"url":"https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386"},{"url":"https://git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff"},{"url":"https://git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773"},{"url":"https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114"}],"tags":["cve.org"],"epss":0.00154,"epssPercentile":0.0492,"ingestedAt":"2026-09-08T15:33:26.997Z","slug":"CVE-2025-38725","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 75947d3200de98a9ded9ad8972e02f1a177097fe`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 59ed6fbdb1bc03316e09493ffde7066f031c7524`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ccef5ee4adf56472aa26bdd1f821a6d0cd06089a`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ee2cd40b0bb46056949a2319084a729d95389386`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < a754ab53993b1585132e871c5d811167ad3c52ff`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < ad1f8313aeec0115f9978bd2d002ef4a8d96c773`\n- `Linux >= e532a096be0e5e570b383e71d4560e7f04384e0f < 4faff70959d51078f9ee8372f8cff0d7045e4114`\n- `Linux 5.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}