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CVE-2022-49484

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

mt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector

Fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector routine if the chip does not support dbdc and the hw reports band_idx set to 1.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-49484",
  "cveTags": [],
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          "options": [
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              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-10-01T19:39:13.492274Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          "attackComplexity": "LOW",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
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          ],
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7915/mac.c"
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              "status": "unaffected",
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              "versionType": "original_commit_for_fix",
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          ],
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7915/mac.c"
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          "defaultStatus": "affected"
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  ],
  "published": "2025-02-26T07:01:24.620",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/268e8ef187eb8780d021b0e4f5ffa92dee5c4983",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/62fdc974894eec80d678523458cf99bbdb887e22",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    },
    {
      "type": "Secondary",
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      "description": [
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          "value": "CWE-476"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector\n\nFix possible NULL pointer dereference in mt7915_mac_fill_rx_vector\nroutine if the chip does not support dbdc and the hw reports band_idx\nset to 1."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7915: se corrige una posible desreferencia de puntero NULL en mt7915_mac_fill_rx_vector. Se corrige una posible desreferencia de puntero NULL en la rutina mt7915_mac_fill_rx_vector si el chip no admite dbdc y el hardware informa que band_idx está establecido en 1."
    }
  ],
  "lastModified": "2026-06-17T05:18:11.910",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "5.18.3",
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          ],
          "operator": "OR"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}