fkie_cve-2022-49254
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-02-26 07:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: ti-vpe: cal: Fix a NULL pointer dereference in cal_ctx_v4l2_init_formats() In cal_ctx_v4l2_init_formats(), devm_kzalloc() is assigned to ctx->active_fmt and there is a dereference of it after that, which could lead to NULL pointer dereference on failure of devm_kzalloc(). Fix this bug by adding a NULL check of ctx->active_fmt. This bug was found by a static analyzer. Builds with 'make allyesconfig' show no new warnings, and our static analyzer no longer warns about this code.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1381f1a629a090c251965edb56f849ad648414a4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/91e2805579ab0783eed53acc2bf9fb553e939004
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aa613ac270292e102503e9767882e39200efe608
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/abd77889851d2ead0d0c9c4d29f1808801477b00
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\nmedia: ti-vpe: cal: Fix a NULL pointer dereference in cal_ctx_v4l2_init_formats()\n\nIn cal_ctx_v4l2_init_formats(), devm_kzalloc() is assigned to\nctx-\u003eactive_fmt and there is a dereference of it after that, which could\nlead to NULL pointer dereference on failure of devm_kzalloc().\n\nFix this bug by adding a NULL check of ctx-\u003eactive_fmt.\n\nThis bug was found by a static analyzer.\n\nBuilds with \u0027make allyesconfig\u0027 show no new warnings, and our static\nanalyzer no longer warns about this code."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: ti-vpe: cal: Se corrige una desreferencia de puntero NULL en cal_ctx_v4l2_init_formats() En cal_ctx_v4l2_init_formats(), devm_kzalloc() se asigna a ctx-\u0026gt;active_fmt y hay una desreferencia de este despu\u00e9s de eso, lo que podr\u00eda provocar una desreferencia de puntero NULL en caso de fallo de devm_kzalloc(). Corrija este error agregando una comprobaci\u00f3n NULL de ctx-\u0026gt;active_fmt. Este error fue encontrado por un analizador est\u00e1tico. Las compilaciones con \u0027make allyesconfig\u0027 no muestran nuevas advertencias y nuestro analizador est\u00e1tico ya no advierte sobre este c\u00f3digo."
    }
  ],
  "id": "CVE-2022-49254",
  "lastModified": "2025-02-26T07:01:02.300",
  "metrics": {},
  "published": "2025-02-26T07:01:02.300",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1381f1a629a090c251965edb56f849ad648414a4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/91e2805579ab0783eed53acc2bf9fb553e939004"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/aa613ac270292e102503e9767882e39200efe608"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/abd77889851d2ead0d0c9c4d29f1808801477b00"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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