fkie_cve-2022-48794
Vulnerability from fkie_nvd
Published
2024-07-16 12:15
Modified
2025-09-24 18:14
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: ieee802154: at86rf230: Stop leaking skb's Upon error the ieee802154_xmit_complete() helper is not called. Only ieee802154_wake_queue() is called manually. In the Tx case we then leak the skb structure. Free the skb structure upon error before returning when appropriate. As the 'is_tx = 0' cannot be moved in the complete handler because of a possible race between the delay in switching to STATE_RX_AACK_ON and a new interrupt, we introduce an intermediate 'was_tx' boolean just for this purpose. There is no Fixes tag applying here, many changes have been made on this area and the issue kind of always existed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fd484644c68897c490a3307bfcc8bf767df5a43Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c72f04d52b7200bb83426a9bed378668271ea4aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/23b2a25382400168427ea278f3d8bf4ecfd333bfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/455ef08d6e5473526fa6763f75a93f7198206966Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6312f6a53fd3ea38125dcaca5e3c9aa7d8a60cf7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af649e5c95f56df64363bc46f6746b87819f9c0dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2a1eaf51b7d4412319adb6acef114ba472d1692Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5ce576d45bf72fd0e3dc37eff897bfcc488f6a9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0fd484644c68897c490a3307bfcc8bf767df5a43Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1c72f04d52b7200bb83426a9bed378668271ea4aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/23b2a25382400168427ea278f3d8bf4ecfd333bfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/455ef08d6e5473526fa6763f75a93f7198206966Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6312f6a53fd3ea38125dcaca5e3c9aa7d8a60cf7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/af649e5c95f56df64363bc46f6746b87819f9c0dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d2a1eaf51b7d4412319adb6acef114ba472d1692Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e5ce576d45bf72fd0e3dc37eff897bfcc488f6a9Patch
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 5.17
linux linux_kernel 5.17


To clipboard 

{
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    {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ieee802154: at86rf230: Stop leaking skb\u0027s\n\nUpon error the ieee802154_xmit_complete() helper is not called. Only\nieee802154_wake_queue() is called manually. In the Tx case we then leak\nthe skb structure.\n\nFree the skb structure upon error before returning when appropriate.\n\nAs the \u0027is_tx = 0\u0027 cannot be moved in the complete handler because of a\npossible race between the delay in switching to STATE_RX_AACK_ON and a\nnew interrupt, we introduce an intermediate \u0027was_tx\u0027 boolean just for\nthis purpose.\n\nThere is no Fixes tag applying here, many changes have been made on this\narea and the issue kind of always existed."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ieee802154: at86rf230: Detener la fuga de skb. En caso de error, no se llama al asistente ieee802154_xmit_complete(). Solo se llama manualmente a ieee802154_wake_queue(). En el caso de Tx, filtramos la estructura skb. Libere la estructura skb en caso de error antes de regresar cuando sea apropiado. Como \u0027is_tx = 0\u0027 no se puede mover en el controlador completo debido a una posible ejecuci\u00f3n entre el retraso en el cambio a STATE_RX_AACK_ON y una nueva interrupci\u00f3n, introducimos un booleano intermedio \u0027was_tx\u0027 solo para este prop\u00f3sito. No se aplica ninguna etiqueta de Correcciones aqu\u00ed, se han realizado muchos cambios en esta \u00e1rea y el problema siempre existi\u00f3."
    }
  ],
  "id": "CVE-2022-48794",
  "lastModified": "2025-09-24T18:14:21.863",
  "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"
      }
    ]
  },
  "published": "2024-07-16T12:15:04.147",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
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          "value": "CWE-401"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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