fkie_cve-2022-49275
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-03-25 15:24
Summary
In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb. Move the can_put_echo_skb() for the m_can version 3.0.x directly before the start of the xmit in hardware, similar to the 3.1.x branch.



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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: m_can: m_can_tx_handler(): fix use after free of skb\n\ncan_put_echo_skb() will clone skb then free the skb. Move the\ncan_put_echo_skb() for the m_can version 3.0.x directly before the\nstart of the xmit in hardware, similar to the 3.1.x branch."
    },
    {
      "lang": "es",
      "value": "En el n\u00facleo de Linux, se ha resuelto la siguiente vulnerabilidad: can: m_can: m_can_tx_handler(): se corrige el use after free skb can_put_echo_skb() clonar\u00e1 skb y luego lo liberar\u00e1. Mueva can_put_echo_skb() para la versi\u00f3n 3.0.x de m_can directamente antes del inicio de la transmisi\u00f3n en el hardware, de manera similar a la rama 3.1.x."
    }
  ],
  "id": "CVE-2022-49275",
  "lastModified": "2025-03-25T15:24:08.757",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-02-26T07:01:04.370",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-416"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
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}


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