fkie_cve-2022-49956
Vulnerability from fkie_nvd
Published
2025-06-18 11:15
Modified
2025-06-18 13:46
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do anything except free the "pcmd" pointer. It results in a use after free. Delete them.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix use after free bugs\n\n_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()\nfunctions don\u0027t do anything except free the \"pcmd\" pointer.  It\nresults in a use after free.  Delete them."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: staging: rtl8712: se corrige el error \"use after free\". Las devoluciones de llamada _Read/Write_MACREG son nulas, por lo que las funciones read/write_macreg_hdl() solo liberan el puntero \"pcmd\". Esto genera un error \"use after free\". Elim\u00ednelas."
    }
  ],
  "id": "CVE-2022-49956",
  "lastModified": "2025-06-18T13:46:52.973",
  "metrics": {},
  "published": "2025-06-18T11:15:22.773",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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