CVE-2025-71196 (GCVE-0-2025-71196)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:04 – Updated: 2026-02-09 08:36
VLAI?
Title
phy: stm32-usphyc: Fix off by one in probe()
Summary
In the Linux kernel, the following vulnerability has been resolved: phy: stm32-usphyc: Fix off by one in probe() The "index" variable is used as an index into the usbphyc->phys[] array which has usbphyc->nphys elements. So if it is equal to usbphyc->nphys then it is one element out of bounds. The "index" comes from the device tree so it's data that we trust and it's unlikely to be wrong, however it's obviously still worth fixing the bug. Change the > to >=.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < a9eec890879731c280697fdf1c50699e905b2fa7 (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < fb9d513cdf1614bf0f0e785816afb1faae3f81af (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < c06f13876cbad702582cd67fc77356e5524d02cd (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < 76b870fdaad82171a24b8aacffe5e4d9e0d2ee2c (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < b91c9f6bfb04e430adeeac7e7ebc9d80f9d72bad (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < 7c27eaf183563b86d815ff6e9cca0210b4cfa051 (git)
Affected: 94c358da3a0545205c6c6a50ae26141f1c73acfa , < cabd25b57216ddc132efbcc31f972baa03aad15a (git)
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    Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.10.249 , ≤ 5.10.* (semver)
Unaffected: 5.15.199 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.67 , ≤ 6.12.* (semver)
Unaffected: 6.18.7 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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{
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/st/phy-stm32-usbphyc.c"
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              "version": "6.1.162",
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              "version": "6.6.122",
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              "status": "unaffected",
              "version": "6.12.67",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.7",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
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              "versionType": "original_commit_for_fix"
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        }
      ],
      "cpeApplicability": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: stm32-usphyc: Fix off by one in probe()\n\nThe \"index\" variable is used as an index into the usbphyc-\u003ephys[] array\nwhich has usbphyc-\u003enphys elements.  So if it is equal to usbphyc-\u003enphys\nthen it is one element out of bounds.  The \"index\" comes from the\ndevice tree so it\u0027s data that we trust and it\u0027s unlikely to be wrong,\nhowever it\u0027s obviously still worth fixing the bug.  Change the \u003e to \u003e=."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:36:21.876Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/a9eec890879731c280697fdf1c50699e905b2fa7"
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        {
          "url": "https://git.kernel.org/stable/c/cabd25b57216ddc132efbcc31f972baa03aad15a"
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    "cveId": "CVE-2025-71196",
    "datePublished": "2026-02-04T16:04:17.141Z",
    "dateReserved": "2026-01-31T11:36:51.191Z",
    "dateUpdated": "2026-02-09T08:36:21.876Z",
    "state": "PUBLISHED"
  },
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  }
}


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  • 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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