CVE-2025-38725 (GCVE-0-2025-38725)
Vulnerability from cvelistv5
Published
2025-09-04 15:33
Modified
2025-09-04 15:33
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386
Impacted products
Vendor Product Version
Linux Linux Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
Version: e532a096be0e5e570b383e71d4560e7f04384e0f
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   Linux Linux Version: 5.14
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/asix_devices.c"
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      "descriptions": [
        {
          "lang": "en",
          "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-\u003edrv 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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-04T15:33:23.468Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114"
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    "cveId": "CVE-2025-38725",
    "datePublished": "2025-09-04T15:33:23.468Z",
    "dateReserved": "2025-04-16T04:51:24.033Z",
    "dateUpdated": "2025-09-04T15:33:23.468Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38725\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-04T16:15:42.420\",\"lastModified\":\"2025-09-05T17:47:24.833\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"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-\u003edrv 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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097fe\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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