fkie_cve-2022-49809
Vulnerability from fkie_nvd
Published
2025-05-01 15:16
Modified
2025-11-07 19:37
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: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82ccePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472daPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 3.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1


To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix skb leak in x25_lapb_receive_frame()\n\nx25_lapb_receive_frame() using skb_copy() to get a private copy of\nskb, the new skb should be freed in the undersized/fragmented skb\nerror handling path. Otherwise there is a memory leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/x25: Se corrige la fuga de skb en x25_lapb_receive_frame(). x25_lapb_receive_frame() usa skb_copy() para obtener una copia privada de skb. El nuevo skb debe liberarse en la ruta de gesti\u00f3n de errores de skb de tama\u00f1o insuficiente/fragmentado. De lo contrario, se produce una fuga de memoria."
    }
  ],
  "id": "CVE-2022-49809",
  "lastModified": "2025-11-07T19:37:53.680",
  "metrics": {
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          "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": "2025-05-01T15:16:04.237",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-401"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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