fkie_cve-2021-47538
Vulnerability from fkie_nvd
Published
2024-05-24 15:15
Modified
2025-09-18 15:55
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: rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer freeing code out into a function]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdcePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdcePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.4
linux linux_kernel 5.4
linux linux_kernel 5.4
linux linux_kernel 5.4
linux linux_kernel 5.4
linux linux_kernel 5.4
linux linux_kernel 5.16
linux linux_kernel 5.16
linux linux_kernel 5.16


To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()\n\nNeed to call rxrpc_put_local() for peer candidate before kfree() as it\nholds a ref to rxrpc_local.\n\n[DH: v2: Changed to abstract the peer freeing code out into a function]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: rxrpc: corrigi\u00f3 la fuga de rxrpc_local en rxrpc_lookup_peer() Es necesario llamar a rxrpc_put_local() para el candidato par antes de kfree(), ya que contiene una referencia a rxrpc_local. [DH: v2: modificado para abstraer el c\u00f3digo de liberaci\u00f3n del par en una funci\u00f3n]"
    }
  ],
  "id": "CVE-2021-47538",
  "lastModified": "2025-09-18T15:55:34.137",
  "metrics": {
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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        "source": "nvd@nist.gov",
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  "published": "2024-05-24T15:15:17.750",
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      "source": "nvd@nist.gov",
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}


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