cve-2024-35961
Vulnerability from cvelistv5
Published
2024-05-20 09:41
Modified
2024-11-05 09:25
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Register devlink first under devlink lock In case device is having a non fatal FW error during probe, the driver will report the error to user via devlink. This will trigger a WARN_ON, since mlx5 is calling devlink_register() last. In order to avoid the WARN_ON[1], change mlx5 to invoke devl_register() first under devlink lock. [1] WARNING: CPU: 5 PID: 227 at net/devlink/health.c:483 devlink_recover_notify.constprop.0+0xb8/0xc0 CPU: 5 PID: 227 Comm: kworker/u16:3 Not tainted 6.4.0-rc5_for_upstream_min_debug_2023_06_12_12_38 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Workqueue: mlx5_health0000:08:00.0 mlx5_fw_reporter_err_work [mlx5_core] RIP: 0010:devlink_recover_notify.constprop.0+0xb8/0xc0 Call Trace: <TASK> ? __warn+0x79/0x120 ? devlink_recover_notify.constprop.0+0xb8/0xc0 ? report_bug+0x17c/0x190 ? handle_bug+0x3c/0x60 ? exc_invalid_op+0x14/0x70 ? asm_exc_invalid_op+0x16/0x20 ? devlink_recover_notify.constprop.0+0xb8/0xc0 devlink_health_report+0x4a/0x1c0 mlx5_fw_reporter_err_work+0xa4/0xd0 [mlx5_core] process_one_work+0x1bb/0x3c0 ? process_one_work+0x3c0/0x3c0 worker_thread+0x4d/0x3c0 ? process_one_work+0x3c0/0x3c0 kthread+0xc6/0xf0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK>
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c91c60858473731bcdaf04fda99fcbcf84420d4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/967caa3d37c078e5b95a32094657e6a4cad145f0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6e77aa9dd82bc18a89bf49418f8f7e961cfccc8
Impacted products
Vendor Product Version
Linux Linux Version: 5.16
Show details on NVD website

To clipboard 

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    "cveId": "CVE-2024-35961",
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    "dateReserved": "2024-05-17T13:50:33.137Z",
    "dateUpdated": "2024-11-05T09:25:48.181Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35961\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-20T10:15:11.260\",\"lastModified\":\"2024-05-20T13:00:04.957\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/mlx5: Register devlink first under devlink lock\\n\\nIn case device is having a non fatal FW error during probe, the\\ndriver will report the error to user via devlink. This will trigger\\na WARN_ON, since mlx5 is calling devlink_register() last.\\nIn order to avoid the WARN_ON[1], change mlx5 to invoke devl_register()\\nfirst under devlink lock.\\n\\n[1]\\nWARNING: CPU: 5 PID: 227 at net/devlink/health.c:483 devlink_recover_notify.constprop.0+0xb8/0xc0\\nCPU: 5 PID: 227 Comm: kworker/u16:3 Not tainted 6.4.0-rc5_for_upstream_min_debug_2023_06_12_12_38 #1\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_reporter_err_work [mlx5_core]\\nRIP: 0010:devlink_recover_notify.constprop.0+0xb8/0xc0\\nCall Trace:\\n \u003cTASK\u003e\\n ? __warn+0x79/0x120\\n ? devlink_recover_notify.constprop.0+0xb8/0xc0\\n ? report_bug+0x17c/0x190\\n ? handle_bug+0x3c/0x60\\n ? exc_invalid_op+0x14/0x70\\n ? asm_exc_invalid_op+0x16/0x20\\n ? devlink_recover_notify.constprop.0+0xb8/0xc0\\n devlink_health_report+0x4a/0x1c0\\n mlx5_fw_reporter_err_work+0xa4/0xd0 [mlx5_core]\\n process_one_work+0x1bb/0x3c0\\n ? process_one_work+0x3c0/0x3c0\\n worker_thread+0x4d/0x3c0\\n ? process_one_work+0x3c0/0x3c0\\n kthread+0xc6/0xf0\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x1f/0x30\\n \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/mlx5: registre devlink primero bajo el bloqueo devlink. En caso de que el dispositivo tenga un error de firmware no fatal durante la prueba, el controlador informar\u00e1 el error al usuario a trav\u00e9s de devlink. Esto activar\u00e1 un WARN_ON, ya que mlx5 llama a devlink_register() en \u00faltimo lugar. Para evitar WARN_ON[1], cambie mlx5 para invocar primero a devl_register() bajo el bloqueo devlink. [1] ADVERTENCIA: CPU: 5 PID: 227 en net/devlink/health.c:483 devlink_recover_notify.constprop.0+0xb8/0xc0 CPU: 5 PID: 227 Comm: kworker/u16:3 No contaminado 6.4.0-rc5_for_upstream_min_debug_2023_06_12_12_38 #1 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 01/04/2014 Cola de trabajo: mlx5_health0000:08:00.0 mlx5_fw_reporter_err_work [mlx5_core] RIP: 0010:devlink_recover_notify.constprop.0+0xb8/0xc0 Seguimiento de llamadas: ? __warn+0x79/0x120 ? devlink_recover_notify.constprop.0+0xb8/0xc0? report_bug+0x17c/0x190? handle_bug+0x3c/0x60? exc_invalid_op+0x14/0x70? asm_exc_invalid_op+0x16/0x20? devlink_recover_notify.constprop.0+0xb8/0xc0 devlink_health_report+0x4a/0x1c0 mlx5_fw_reporter_err_work+0xa4/0xd0 [mlx5_core] Process_one_work+0x1bb/0x3c0 ? process_one_work+0x3c0/0x3c0 worker_thread+0x4d/0x3c0 ? process_one_work+0x3c0/0x3c0 kthread+0xc6/0xf0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8c91c60858473731bcdaf04fda99fcbcf84420d4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/967caa3d37c078e5b95a32094657e6a4cad145f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c6e77aa9dd82bc18a89bf49418f8f7e961cfccc8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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