FKIE_CVE-2021-47466

Vulnerability from fkie_nvd - Published: 2024-05-22 07:15 - Updated: 2025-01-07 20:13
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: mm, slub: fix potential memoryleak in kmem_cache_open() In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential memoryleak in kmem_cache_open()\n\nIn error path, the random_seq of slub cache might be leaked.  Fix this\nby using __kmem_cache_release() to release all the relevant resources."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm, slub: corrige una posible p\u00e9rdida de memoria en kmem_cache_open() En la ruta del error, es posible que se haya filtrado el random_seq del cach\u00e9 slub. Solucione este problema usando __kmem_cache_release() para liberar todos los recursos relevantes."
    }
  ],
  "id": "CVE-2021-47466",
  "lastModified": "2025-01-07T20:13:41.913",
  "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"
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  "published": "2024-05-22T07:15:11.450",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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