cve-2024-42110
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-11-05 09:37
Severity ?
Summary
net: ntb_netdev: Move ntb_netdev_rx_handler() to call netif_rx() from __netif_rx()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b3b6c7efee69f077b86ef7f088fb96768e46e1f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/858ae09f03677a4ab907a15516893bc2cc79d4c3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e15a5d821e5192a3769d846079bc9aa380139baf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e3af5b14e7632bf12058533d69055393e2d126c9
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ntb_netdev: Move ntb_netdev_rx_handler() to call netif_rx() from __netif_rx()\n\nThe following is emitted when using idxd (DSA) dmanegine as the data\nmover for ntb_transport that ntb_netdev uses.\n\n[74412.546922] BUG: using smp_processor_id() in preemptible [00000000] code: irq/52-idxd-por/14526\n[74412.556784] caller is netif_rx_internal+0x42/0x130\n[74412.562282] CPU: 6 PID: 14526 Comm: irq/52-idxd-por Not tainted 6.9.5 #5\n[74412.569870] Hardware name: Intel Corporation ArcherCity/ArcherCity, BIOS EGSDCRB1.E9I.1752.P05.2402080856 02/08/2024\n[74412.581699] Call Trace:\n[74412.584514]  \u003cTASK\u003e\n[74412.586933]  dump_stack_lvl+0x55/0x70\n[74412.591129]  check_preemption_disabled+0xc8/0xf0\n[74412.596374]  netif_rx_internal+0x42/0x130\n[74412.600957]  __netif_rx+0x20/0xd0\n[74412.604743]  ntb_netdev_rx_handler+0x66/0x150 [ntb_netdev]\n[74412.610985]  ntb_complete_rxc+0xed/0x140 [ntb_transport]\n[74412.617010]  ntb_rx_copy_callback+0x53/0x80 [ntb_transport]\n[74412.623332]  idxd_dma_complete_txd+0xe3/0x160 [idxd]\n[74412.628963]  idxd_wq_thread+0x1a6/0x2b0 [idxd]\n[74412.634046]  irq_thread_fn+0x21/0x60\n[74412.638134]  ? irq_thread+0xa8/0x290\n[74412.642218]  irq_thread+0x1a0/0x290\n[74412.646212]  ? __pfx_irq_thread_fn+0x10/0x10\n[74412.651071]  ? __pfx_irq_thread_dtor+0x10/0x10\n[74412.656117]  ? __pfx_irq_thread+0x10/0x10\n[74412.660686]  kthread+0x100/0x130\n[74412.664384]  ? __pfx_kthread+0x10/0x10\n[74412.668639]  ret_from_fork+0x31/0x50\n[74412.672716]  ? __pfx_kthread+0x10/0x10\n[74412.676978]  ret_from_fork_asm+0x1a/0x30\n[74412.681457]  \u003c/TASK\u003e\n\nThe cause is due to the idxd driver interrupt completion handler uses\nthreaded interrupt and the threaded handler is not hard or soft interrupt\ncontext. However __netif_rx() can only be called from interrupt context.\nChange the call to netif_rx() in order to allow completion via normal\ncontext for dmaengine drivers that utilize threaded irq handling.\n\nWhile the following commit changed from netif_rx() to __netif_rx(),\nbaebdf48c360 (\"net: dev: Makes sure netif_rx() can be invoked in any context.\"),\nthe change should\u0027ve been a noop instead. However, the code precedes this\nfix should\u0027ve been using netif_rx_ni() or netif_rx_any_context()."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42110",
    "datePublished": "2024-07-30T07:46:04.892Z",
    "dateReserved": "2024-07-29T15:50:41.176Z",
    "dateUpdated": "2024-11-05T09:37:36.493Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42110\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-30T08:15:03.487\",\"lastModified\":\"2024-07-30T13:32:45.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: ntb_netdev: Move ntb_netdev_rx_handler() to call netif_rx() from __netif_rx()\\n\\nThe following is emitted when using idxd (DSA) dmanegine as the data\\nmover for ntb_transport that ntb_netdev uses.\\n\\n[74412.546922] BUG: using smp_processor_id() in preemptible [00000000] code: irq/52-idxd-por/14526\\n[74412.556784] caller is netif_rx_internal+0x42/0x130\\n[74412.562282] CPU: 6 PID: 14526 Comm: irq/52-idxd-por Not tainted 6.9.5 #5\\n[74412.569870] Hardware name: Intel Corporation ArcherCity/ArcherCity, BIOS EGSDCRB1.E9I.1752.P05.2402080856 02/08/2024\\n[74412.581699] Call Trace:\\n[74412.584514]  \u003cTASK\u003e\\n[74412.586933]  dump_stack_lvl+0x55/0x70\\n[74412.591129]  check_preemption_disabled+0xc8/0xf0\\n[74412.596374]  netif_rx_internal+0x42/0x130\\n[74412.600957]  __netif_rx+0x20/0xd0\\n[74412.604743]  ntb_netdev_rx_handler+0x66/0x150 [ntb_netdev]\\n[74412.610985]  ntb_complete_rxc+0xed/0x140 [ntb_transport]\\n[74412.617010]  ntb_rx_copy_callback+0x53/0x80 [ntb_transport]\\n[74412.623332]  idxd_dma_complete_txd+0xe3/0x160 [idxd]\\n[74412.628963]  idxd_wq_thread+0x1a6/0x2b0 [idxd]\\n[74412.634046]  irq_thread_fn+0x21/0x60\\n[74412.638134]  ? irq_thread+0xa8/0x290\\n[74412.642218]  irq_thread+0x1a0/0x290\\n[74412.646212]  ? __pfx_irq_thread_fn+0x10/0x10\\n[74412.651071]  ? __pfx_irq_thread_dtor+0x10/0x10\\n[74412.656117]  ? __pfx_irq_thread+0x10/0x10\\n[74412.660686]  kthread+0x100/0x130\\n[74412.664384]  ? __pfx_kthread+0x10/0x10\\n[74412.668639]  ret_from_fork+0x31/0x50\\n[74412.672716]  ? __pfx_kthread+0x10/0x10\\n[74412.676978]  ret_from_fork_asm+0x1a/0x30\\n[74412.681457]  \u003c/TASK\u003e\\n\\nThe cause is due to the idxd driver interrupt completion handler uses\\nthreaded interrupt and the threaded handler is not hard or soft interrupt\\ncontext. However __netif_rx() can only be called from interrupt context.\\nChange the call to netif_rx() in order to allow completion via normal\\ncontext for dmaengine drivers that utilize threaded irq handling.\\n\\nWhile the following commit changed from netif_rx() to __netif_rx(),\\nbaebdf48c360 (\\\"net: dev: Makes sure netif_rx() can be invoked in any context.\\\"),\\nthe change should\u0027ve been a noop instead. However, the code precedes this\\nfix should\u0027ve been using netif_rx_ni() or netif_rx_any_context().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ntb_netdev: Mover ntb_netdev_rx_handler() para llamar a netif_rx() desde __netif_rx() Lo siguiente se emite cuando se utiliza idxd (DSA) dmanegine como transportador de datos para ntb_transport que utiliza ntb_netdev. [74412.546922] ERROR: usar smp_processor_id() en c\u00f3digo interrumpible [00000000]: irq/52-idxd-por/14526 [74412.556784] la persona que llama es netif_rx_internal+0x42/0x130 [74412.562282] CPU: 6 PID: 6 Comunicaciones: irq/52- idxd-por No contaminado 6.9.5 #5 [74412.569870] Nombre de hardware: Intel Corporation ArcherCity/ArcherCity, BIOS EGSDCRB1.E9I.1752.P05.2402080856 08/02/2024 [74412.581699] Seguimiento de llamadas: [74412.584514] [ 74412.586933] dump_stack_lvl+0x55/0x70 [74412.591129] check_preemption_disabled+0xc8/0xf0 [74412.596374] netif_rx_internal+0x42/0x130 [74412.600957] 0/0xd0 [74412.604743] ntb_netdev_rx_handler+0x66/0x150 [ntb_netdev] [74412.610985] ntb_complete_rxc+0xed/0x140 [ntb_transport] [74412.617010] ntb_rx_copy_callback+0x53/0x80 [ntb_transport] [74412.623332] idxd_dma_complete_txd+0xe3/0x160 [idxd] [74412.628963] idxd_wq_thread+0x1a6/0x 2b0 [idxd] [74412.634046] irq_thread_fn+0x21/0x60 [74412.638134] ? hilo_irq+0xa8/0x290 [74412.642218] hilo_irq+0x1a0/0x290 [74412.646212] ? __pfx_irq_thread_fn+0x10/0x10 [74412.651071] ? __pfx_irq_thread_dtor+0x10/0x10 [74412.656117] ? __pfx_irq_thread+0x10/0x10 [74412.660686] kthread+0x100/0x130 [74412.664384] ? __pfx_kthread+0x10/0x10 [74412.668639] ret_from_fork+0x31/0x50 [74412.672716] ? __pfx_kthread+0x10/0x10 [74412.676978] ret_from_fork_asm+0x1a/0x30 [74412.681457]  La causa se debe a que el controlador de finalizaci\u00f3n de interrupciones del controlador idxd utiliza interrupciones de subprocesos y el controlador de subprocesos no es un contexto de interrupci\u00f3n dura o suave. Sin embargo, __netif_rx() solo se puede llamar desde el contexto de interrupci\u00f3n. Cambie la llamada a netif_rx() para permitir la finalizaci\u00f3n a trav\u00e9s del contexto normal para los controladores dmaengine que utilizan el manejo de irq por subprocesos. Si bien la siguiente confirmaci\u00f3n cambi\u00f3 de netif_rx() a __netif_rx(), baebdf48c360 (\\\"net: dev: se asegura de que netif_rx() pueda invocarse en cualquier contexto.\\\"), el cambio deber\u00eda haber sido un fracaso. Sin embargo, el c\u00f3digo que precede a esta soluci\u00f3n deber\u00eda haber usado netif_rx_ni() o netif_rx_any_context().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4b3b6c7efee69f077b86ef7f088fb96768e46e1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/858ae09f03677a4ab907a15516893bc2cc79d4c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e15a5d821e5192a3769d846079bc9aa380139baf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e3af5b14e7632bf12058533d69055393e2d126c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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