FKIE_CVE-2024-41005

Vulnerability from fkie_nvd - Published: 2024-07-12 13:15 - Updated: 2025-11-03 22:17
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpoll_owner_active KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in net_rx_action / netpoll_send_skb write (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: net_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822) <snip> read to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2: netpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393) netpoll_send_udp (net/core/netpoll.c:?) <snip> value changed: 0x0000000a -> 0xffffffff This happens because netpoll_owner_active() needs to check if the current CPU is the owner of the lock, touching napi->poll_owner non atomically. The ->poll_owner field contains the current CPU holding the lock. Use an atomic read to check if the poll owner is the current CPU.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8ePatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetpoll: Fix race condition in netpoll_owner_active\n\nKCSAN detected a race condition in netpoll:\n\n\tBUG: KCSAN: data-race in net_rx_action / netpoll_send_skb\n\twrite (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10:\n\tnet_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822)\n\u003csnip\u003e\n\tread to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2:\n\tnetpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393)\n\tnetpoll_send_udp (net/core/netpoll.c:?)\n\u003csnip\u003e\n\tvalue changed: 0x0000000a -\u003e 0xffffffff\n\nThis happens because netpoll_owner_active() needs to check if the\ncurrent CPU is the owner of the lock, touching napi-\u003epoll_owner\nnon atomically. The -\u003epoll_owner field contains the current CPU holding\nthe lock.\n\nUse an atomic read to check if the poll owner is the current CPU."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: netpoll: Corrige condici\u00f3n de ejecuci\u00f3n en netpoll_owner_active KCSAN detect\u00f3 una condici\u00f3n de ejecuci\u00f3n en netpoll: ERROR: KCSAN: data-race en net_rx_action / netpoll_send_skb escribe (marcado) en 0xffff8881164168b0 de 4 bytes por interrupci\u00f3n en CPU 10: net_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822)  le\u00eddo en 0xffff8881164168b0 de 4 bytes por tarea 1 en la CPU 2 : netpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393) netpoll_send_udp (net/core/netpoll.c:?)  valor cambiado: 0x0000000a -\u0026gt; 0xffffffff Esto sucede porque netpoll_owner_active() necesita verificar si la CPU actual es la propietaria del bloqueo, tocando napi-\u0026gt;poll_owner de forma no at\u00f3mica. El campo -\u0026gt;poll_owner contiene la CPU actual que mantiene el bloqueo. Utilice una lectura at\u00f3mica para comprobar si el propietario de la encuesta es la CPU actual."
    }
  ],
  "id": "CVE-2024-41005",
  "lastModified": "2025-11-03T22:17:22.353",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-07-12T13:15:21.310",
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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