CVE-2025-71094 (GCVE-0-2025-71094)

Vulnerability from cvelistv5 – Published: 2026-01-13 15:34 – Updated: 2026-06-11 18:44
VLAI
Title
net: usb: asix: validate PHY address before use
Summary
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.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:42 UTC
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < fc96018f09f8d30586ca6582c5045a84eafef146 (git)
Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < f5f4f30f3811d37e1aa48667c36add74e5a8d99f (git)
Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < 38722e69ee64dbb020028c93898d25d6f4c0e0b2 (git)
Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < 98a12c2547a44a5f03f35c108d2022cc652cbc4d (git)
Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < bf8a0f3b787ca7c5889bfca12c60c483041fbee3 (git)
Affected: 7e88b11a862afe59ee0c365123ea5fb96a26cb3b , < a1e077a3f76eea0dc671ed6792e7d543946227e8 (git)
Affected: 4e4f3cb41d687bd64cd03358862b23c84d82329e (git)
Affected: 5.13.13 , < 5.14 (semver)
Create a notification for this product.
Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.4 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/98a12c2547a44a5f03f35c108d2022cc652cbc4d"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a1e077a3f76eea0dc671ed6792e7d543946227e8"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/bf8a0f3b787ca7c5889bfca12c60c483041fbee3"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/f5f4f30f3811d37e1aa48667c36add74e5a8d99f"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
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            ],
            "url": "https://git.kernel.org/stable/c/fc96018f09f8d30586ca6582c5045a84eafef146"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:31:32+00:00",
      "cve": "CVE-2025-71094",
      "id": "CVE-2025-71094",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net: usb: asix: validate PHY address before use",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-71094.json",
      "version": "3"
    },
    "vulnrichment": {
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        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-71094",
                    "options": [
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                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-10T20:42:29.490248Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-11T17:39:28.040Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/usb/asix_common.c",
                "drivers/net/usb/ax88172a.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
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                {
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                {
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                },
                {
                  "lessThan": "a1e077a3f76eea0dc671ed6792e7d543946227e8",
                  "status": "affected",
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                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "4e4f3cb41d687bd64cd03358862b23c84d82329e",
                  "versionType": "git"
                },
                {
                  "lessThan": "5.14",
                  "status": "affected",
                  "version": "5.13.13",
                  "versionType": "semver"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
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                "drivers/net/usb/ax88172a.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.14"
                },
                {
                  "lessThan": "5.14",
                  "status": "unaffected",
                  "version": "0",
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                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.198",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.160",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.120",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.12.*",
                  "status": "unaffected",
                  "version": "6.12.64",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.18.*",
                  "status": "unaffected",
                  "version": "6.18.4",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
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                      "versionStartIncluding": "5.14",
                      "vulnerable": true
                    },
                    {
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                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                      "vulnerable": true
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                    },
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                  "negate": false,
                  "operator": "OR"
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: asix: validate PHY address before use\n\nThe ASIX driver reads the PHY address from the USB device via\nasix_read_phy_addr(). A malicious or faulty device can return an\ninvalid address (\u003e= PHY_MAX_ADDR), which causes a warning in\nmdiobus_get_phy():\n\n  addr 207 out of range\n  WARNING: drivers/net/phy/mdio_bus.c:76\n\nValidate the PHY address in asix_read_phy_addr() and remove the\nnow-redundant check in ax88172a.c."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T16:03:10.942Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/fc96018f09f8d30586ca6582c5045a84eafef146"
            },
            {
              "url": "https://git.kernel.org/stable/c/f5f4f30f3811d37e1aa48667c36add74e5a8d99f"
            },
            {
              "url": "https://git.kernel.org/stable/c/38722e69ee64dbb020028c93898d25d6f4c0e0b2"
            },
            {
              "url": "https://git.kernel.org/stable/c/98a12c2547a44a5f03f35c108d2022cc652cbc4d"
            },
            {
              "url": "https://git.kernel.org/stable/c/bf8a0f3b787ca7c5889bfca12c60c483041fbee3"
            },
            {
              "url": "https://git.kernel.org/stable/c/a1e077a3f76eea0dc671ed6792e7d543946227e8"
            }
          ],
          "title": "net: usb: asix: validate PHY address before use",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2025-71094",
        "datePublished": "2026-01-13T15:34:54.669Z",
        "dateReserved": "2026-01-13T15:30:19.650Z",
        "dateUpdated": "2026-06-11T18:44:23.791Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.