cve-2024-41005
Vulnerability from cvelistv5
Published
2024-07-12 12:44
Modified
2024-11-05 09:34
Severity ?
Summary
netpoll: Fix race condition in netpoll_owner_active
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


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          "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."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-41005",
    "datePublished": "2024-07-12T12:44:40.467Z",
    "dateReserved": "2024-07-12T12:17:45.610Z",
    "dateUpdated": "2024-11-05T09:34:53.669Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41005\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:21.310\",\"lastModified\":\"2024-11-21T09:32:02.930\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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