nvd-json-data-feeds/CVE-2024/CVE-2024-268xx/CVE-2024-26898.json

{
  "id": "CVE-2024-26898",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-17T11:15:10.820",
  "lastModified": "2024-04-29T19:31:26.940",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naoe: fix the potential use-after-free problem in aoecmd_cfg_pkts\n\nThis patch is against CVE-2023-6270. The description of cve is:\n\n  A flaw was found in the ATA over Ethernet (AoE) driver in the Linux\n  kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on\n  `struct net_device`, and a use-after-free can be triggered by racing\n  between the free on the struct and the access through the `skbtxq`\n  global queue. This could lead to a denial of service condition or\n  potential code execution.\n\nIn aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial\ncode is finished. But the net_device ifp will still be used in\nlater tx()->dev_queue_xmit() in kthread. Which means that the\ndev_put(ifp) should NOT be called in the success path of skb\ninitial code in aoecmd_cfg_pkts(). Otherwise tx() may run into\nuse-after-free because the net_device is freed.\n\nThis patch removed the dev_put(ifp) in the success path in\naoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: aoe: soluciona el posible problema de use-after-free en aoecmd_cfg_pkts. Este parche es contra CVE-2023-6270. La descripci\u00f3n de cve es: Se encontr\u00f3 una falla en el controlador ATA sobre Ethernet (AoE) en el kernel de Linux. La funci\u00f3n aoecmd_cfg_pkts() actualiza incorrectamente el refcnt en `struct net_device`, y se puede activar un use-after-free corriendo entre lo libre en la estructura y el acceso a trav\u00e9s de la cola global `skbtxq`. Esto podr\u00eda provocar una condici\u00f3n de denegaci\u00f3n de servicio o una posible ejecuci\u00f3n de c\u00f3digo. En aoecmd_cfg_pkts(), siempre llama a dev_put(ifp) cuando finaliza el c\u00f3digo inicial de skb. Pero el ifp net_device todav\u00eda se usar\u00e1 en tx()->dev_queue_xmit() posterior en kthread. Lo que significa que NO se debe llamar a dev_put(ifp) en la ruta exitosa del c\u00f3digo inicial de skb en aoecmd_cfg_pkts(). De lo contrario, tx() puede ejecutar use-after-free porque el net_device est\u00e1 liberado. Este parche elimin\u00f3 dev_put(ifp) en la ruta de \u00e9xito en aoecmd_cfg_pkts() y agreg\u00f3 dev_put() despu\u00e9s de skb xmit en tx()."
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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      "description": [
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          "value": "CWE-416"
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