FKIE_CVE-2022-48754

Vulnerability from fkie_nvd - Published: 2024-06-20 12:15 - Updated: 2026-08-04 10:17
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 ("phylib: Add device reset GPIO support") added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/67d271760b037ce0806d687ee6057edc8afd4205Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aefaccd19379d6c4620269a162bfb88ff687f289Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bd024e36f68174b1793906c39ca16cee0c9295c2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb2fab10fc5e7a3aa1bb0a68a3abdcf3e37852afPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cbda1b16687580d5beee38273f6241ae3725960cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f39027cbada43b33566c312e6be3db654ca3ad17Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/67d271760b037ce0806d687ee6057edc8afd4205Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/aefaccd19379d6c4620269a162bfb88ff687f289Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bd024e36f68174b1793906c39ca16cee0c9295c2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cb2fab10fc5e7a3aa1bb0a68a3abdcf3e37852afPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cbda1b16687580d5beee38273f6241ae3725960cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f39027cbada43b33566c312e6be3db654ca3ad17Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.17
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphylib: fix potential use-after-free\n\nCommit bafbdd527d56 (\"phylib: Add device reset GPIO support\") added call\nto phy_device_reset(phydev) after the put_device() call in phy_detach().\n\nThe comment before the put_device() call says that the phydev might go\naway with put_device().\n\nFix potential use-after-free by calling phy_device_reset() before\nput_device()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: phylib: corrige el posible use-after-free. Commit bafbdd527d56 (\"phylib: agregue soporte GPIO para restablecer el dispositivo\") se agreg\u00f3 una llamada a phy_device_reset(phydev) despu\u00e9s de la llamada put_device() en phy_detach( ). El comentario antes de la llamada put_device() dice que phydev podr\u00eda desaparecer con put_device(). Solucione el posible use-after-free llamando a phy_device_reset() antes de put_device()."
    }
  ],
  "id": "CVE-2022-48754",
  "lastModified": "2026-08-04T10:17:19.523",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
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        "type": "Secondary"
      },
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2022-48754",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-25T15:12:03.815461Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-06-20T12:15:13.563",
  "references": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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