fkie_cve-2025-37784
Vulnerability from fkie_nvd
Published
2025-05-01 14:15
Modified
2025-11-04 19:13
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ti: icss-iep: Fix possible NULL pointer dereference for perout request The ICSS IEP driver tracks perout and pps enable state with flags. Currently when disabling pps and perout signals during icss_iep_exit(), results in NULL pointer dereference for perout. To fix the null pointer dereference issue, the icss_iep_perout_enable_hw function can be modified to directly clear the IEP CMP registers when disabling PPS or PEROUT, without referencing the ptp_perout_request structure, as its contents are irrelevant in this case.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7349c9e9979333abfce42da5f9025598083b59c9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7891619d21f07a88e0275d6d43db74035aa74f69Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da5035d7aeadcfa44096dd34689bfed6c657f559Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eeec66327001421531b3fb1a2ac32efc8a2493b0Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.15
linux linux_kernel 6.15


To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
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              "versionEndExcluding": "6.6.88",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ti: icss-iep: Fix possible NULL pointer dereference for perout request\n\nThe ICSS IEP driver tracks perout and pps enable state with flags.\nCurrently when disabling pps and perout signals during icss_iep_exit(),\nresults in NULL pointer dereference for perout.\n\nTo fix the null pointer dereference issue, the icss_iep_perout_enable_hw\nfunction can be modified to directly clear the IEP CMP registers when\ndisabling PPS or PEROUT, without referencing the ptp_perout_request\nstructure, as its contents are irrelevant in this case."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ti: icss-iep: Se corrige una posible desreferencia de puntero nulo para la solicitud perout. El controlador IEP de ICSS rastrea el estado de habilitaci\u00f3n de perout y pps mediante indicadores. Actualmente, al deshabilitar las se\u00f1ales pps y perout durante icss_iep_exit(), se produce una desreferencia de puntero nulo para perout. Para solucionar el problema de desreferencia de puntero nulo, se puede modificar la funci\u00f3n icss_iep_perout_enable_hw para borrar directamente los registros CMP de IEP al deshabilitar PPS o PEROUT, sin referenciar la estructura ptp_perout_request, ya que su contenido es irrelevante en este caso."
    }
  ],
  "id": "CVE-2025-37784",
  "lastModified": "2025-11-04T19:13:06.070",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-05-01T14:15:42.770",
  "references": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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