2025-01-10 19:03:46 +00:00

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11 KiB
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{
"id": "CVE-2024-26873",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-17T11:15:09.610",
"lastModified": "2025-01-10T18:28:25.100",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: hisi_sas: Fix a deadlock issue related to automatic dump\n\nIf we issue a disabling PHY command, the device attached with it will go\noffline, if a 2 bit ECC error occurs at the same time, a hung task may be\nfound:\n\n[ 4613.652388] INFO: task kworker/u256:0:165233 blocked for more than 120 seconds.\n[ 4613.666297] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 4613.674809] task:kworker/u256:0 state:D stack: 0 pid:165233 ppid: 2 flags:0x00000208\n[ 4613.683959] Workqueue: 0000:74:02.0_disco_q sas_revalidate_domain [libsas]\n[ 4613.691518] Call trace:\n[ 4613.694678] __switch_to+0xf8/0x17c\n[ 4613.698872] __schedule+0x660/0xee0\n[ 4613.703063] schedule+0xac/0x240\n[ 4613.706994] schedule_timeout+0x500/0x610\n[ 4613.711705] __down+0x128/0x36c\n[ 4613.715548] down+0x240/0x2d0\n[ 4613.719221] hisi_sas_internal_abort_timeout+0x1bc/0x260 [hisi_sas_main]\n[ 4613.726618] sas_execute_internal_abort+0x144/0x310 [libsas]\n[ 4613.732976] sas_execute_internal_abort_dev+0x44/0x60 [libsas]\n[ 4613.739504] hisi_sas_internal_task_abort_dev.isra.0+0xbc/0x1b0 [hisi_sas_main]\n[ 4613.747499] hisi_sas_dev_gone+0x174/0x250 [hisi_sas_main]\n[ 4613.753682] sas_notify_lldd_dev_gone+0xec/0x2e0 [libsas]\n[ 4613.759781] sas_unregister_common_dev+0x4c/0x7a0 [libsas]\n[ 4613.765962] sas_destruct_devices+0xb8/0x120 [libsas]\n[ 4613.771709] sas_do_revalidate_domain.constprop.0+0x1b8/0x31c [libsas]\n[ 4613.778930] sas_revalidate_domain+0x60/0xa4 [libsas]\n[ 4613.784716] process_one_work+0x248/0x950\n[ 4613.789424] worker_thread+0x318/0x934\n[ 4613.793878] kthread+0x190/0x200\n[ 4613.797810] ret_from_fork+0x10/0x18\n[ 4613.802121] INFO: task kworker/u256:4:316722 blocked for more than 120 seconds.\n[ 4613.816026] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 4613.824538] task:kworker/u256:4 state:D stack: 0 pid:316722 ppid: 2 flags:0x00000208\n[ 4613.833670] Workqueue: 0000:74:02.0 hisi_sas_rst_work_handler [hisi_sas_main]\n[ 4613.841491] Call trace:\n[ 4613.844647] __switch_to+0xf8/0x17c\n[ 4613.848852] __schedule+0x660/0xee0\n[ 4613.853052] schedule+0xac/0x240\n[ 4613.856984] schedule_timeout+0x500/0x610\n[ 4613.861695] __down+0x128/0x36c\n[ 4613.865542] down+0x240/0x2d0\n[ 4613.869216] hisi_sas_controller_prereset+0x58/0x1fc [hisi_sas_main]\n[ 4613.876324] hisi_sas_rst_work_handler+0x40/0x8c [hisi_sas_main]\n[ 4613.883019] process_one_work+0x248/0x950\n[ 4613.887732] worker_thread+0x318/0x934\n[ 4613.892204] kthread+0x190/0x200\n[ 4613.896118] ret_from_fork+0x10/0x18\n[ 4613.900423] INFO: task kworker/u256:1:348985 blocked for more than 121 seconds.\n[ 4613.914341] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 4613.922852] task:kworker/u256:1 state:D stack: 0 pid:348985 ppid: 2 flags:0x00000208\n[ 4613.931984] Workqueue: 0000:74:02.0_event_q sas_port_event_worker [libsas]\n[ 4613.939549] Call trace:\n[ 4613.942702] __switch_to+0xf8/0x17c\n[ 4613.946892] __schedule+0x660/0xee0\n[ 4613.951083] schedule+0xac/0x240\n[ 4613.955015] schedule_timeout+0x500/0x610\n[ 4613.959725] wait_for_common+0x200/0x610\n[ 4613.964349] wait_for_completion+0x3c/0x5c\n[ 4613.969146] flush_workqueue+0x198/0x790\n[ 4613.973776] sas_porte_broadcast_rcvd+0x1e8/0x320 [libsas]\n[ 4613.979960] sas_port_event_worker+0x54/0xa0 [libsas]\n[ 4613.985708] process_one_work+0x248/0x950\n[ 4613.990420] worker_thread+0x318/0x934\n[ 4613.994868] kthread+0x190/0x200\n[ 4613.998800] ret_from_fork+0x10/0x18\n\nThis is because when the device goes offline, we obtain the hisi_hba\nsemaphore and send the ABORT_DEV command to the device. However, the\ninternal abort timed out due to the 2 bit ECC error and triggers automatic\ndump. In addition, since the hisi_hba semaphore has been obtained, the dump\ncannot be executed and the controller cannot be reset.\n\nTherefore, the deadlocks occur on the following circular dependencies\n---truncated---"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: hisi_sas: soluciona un problema de interbloqueo relacionado con el volcado autom\u00e1tico. Si emitimos un comando de desactivaci\u00f3n PHY, el dispositivo conectado se desconectar\u00e1 si se produce un error ECC de 2 bits en el Al mismo tiempo, se puede encontrar una tarea colgada: [ 4613.652388] INFORMACI\u00d3N: tarea kworker/u256:0:165233 bloqueada durante m\u00e1s de 120 segundos. [4613.666297] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" desactiva este mensaje. [ 4613.674809] tarea:kworker/u256:0 estado:D pila: 0 pid:165233 ppid: 2 banderas:0x00000208 [ 4613.683959] Cola de trabajo: 0000:74:02.0_disco_q sas_revalidate_domain [libsas] [ 4613.691518] Rastreo de llamadas: [4613.694678] __switch_to +0xf8/0x17c [ 4613.698872] __programaci\u00f3n+0x660/0xee0 [ 4613.703063] programaci\u00f3n+0xac/0x240 [ 4613.706994] programaci\u00f3n_timeout+0x500/0x610 [ 4613.711705] c [ 4613.715548] abajo+0x240/0x2d0 [ 4613.719221] hisi_sas_internal_abort_timeout+0x1bc /0x260 [hisi_sas_main] [ 4613.726618] sas_execute_internal_abort+0x144/0x310 [libsas] [ 4613.732976] sas_execute_internal_abort_dev+0x44/0x60 [libsas] [ 4613.739504] _dev.isra.0+0xbc/0x1b0 [hisi_sas_main] [ 4613.747499] hisi_sas_dev_gone+0x174/0x250 [hisi_sas_main] [ 4613.753682] sas_notify_lldd_dev_gone+0xec/0x2e0 [libsas] [ 4613.759781] sas_unregister_common_dev+0x4c/0x7a0 [libsas] [ 4613.765962] sas_destruct_devices+0xb8/0x120 [libsas] [ 4613.771709] sas_do_revalidate_domain.constprop.0+0x1b8/0x31c [libsas ] [ 4613.778930] sas_revalidate_domain+0x60/0xa4 [libsas] [ 4613.784716] Process_one_work+0x248/0x950 [ 4613.789424] trabajador_thread+0x318/0x934 [ 4613.793878] 0x200 [4613.797810] ret_from_fork+0x10/0x18 [4613.802121] INFORMACI\u00d3N: tarea kworker/u256:4:316722 bloqueado durante m\u00e1s de 120 segundos. [4613.816026] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" desactiva este mensaje. [ 4613.824538] tarea:kworker/u256:4 estado:D pila: 0 pid:316722 ppid: 2 banderas:0x00000208 [ 4613.833670] Cola de trabajo: 0000:74:02.0 hisi_sas_rst_work_handler [hisi_sas_main] [ 4613.841491 ] Rastreo de llamadas: [4613.844647] __switch_to+ 0xf8/0x17c [ 4613.848852] __programaci\u00f3n+0x660/0xee0 [ 4613.853052] programaci\u00f3n+0xac/0x240 [ 4613.856984] programaci\u00f3n_timeout+0x500/0x610 [ 4613.861695] c [ 4613.865542] abajo+0x240/0x2d0 [ 4613.869216] hisi_sas_controller_prereset+0x58/ 0x1fc [hisi_sas_main] [ 4613.876324] hisi_sas_rst_work_handler+0x40/0x8c [hisi_sas_main] [ 4613.883019] Process_one_work+0x248/0x950 [ 4613.887732] trabajador_thread+0x318/0x934 [ 461 3.892204] kthread+0x190/0x200 [ 4613.896118] ret_from_fork+0x10/0x18 [ 4613.900423] INFORMACI\u00d3N: tarea kworker/u256:1:348985 bloqueada durante m\u00e1s de 121 segundos. [4613.914341] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" desactiva este mensaje. [ 4613.922852] tarea:kworker/u256:1 estado:D pila: 0 pid:348985 ppid: 2 banderas:0x00000208 [ 4613.931984] Cola de trabajo: 0000:74:02.0_event_q sas_port_event_worker [libsas] [ 4613.939549] Rastreo de llamadas: [4613.942702] __switch_to +0xf8/0x17c [ 4613.946892] __schedule+0x660/0xee0 [ 4613.951083] Schedule+0xac/0x240 [ 4613.955015] Schedule_timeout+0x500/0x610 [ 4613.959725] x610 [ 4613.964349] espera_para_compleci\u00f3n+0x3c/0x5c [ 4613.969146] descarga_cola de trabajo+0x198 /0x790 [ 4613.973776] sas_porte_broadcast_rcvd+0x1e8/0x320 [libsas] [ 4613.979960] sas_port_event_worker+0x54/0xa0 [libsas] [ 4613.985708] Process_one_work+0x248/0x950 [ 4613.9 90420] hilo_trabajador+0x318/0x934 [ 4613.994868] kthread+0x190/0x200 [ 4613.998800 ] ret_from_fork+0x10/0x18 Esto se debe a que cuando el dispositivo se desconecta, obtenemos el sem\u00e1foro hisi_hba y enviamos el comando ABORT_DEV al dispositivo. Sin embargo, el aborto interno expir\u00f3 debido al error ECC de 2 bits y activa el volcado autom\u00e1tico. Adem\u00e1s, dado que se obtuvo el sem\u00e1foro hisi_hba, el volcado no se puede ejecutar y el controlador no se puede restablecer. Por lo tanto, los interbloqueos ocurren en las siguientes dependencias circulares ---truncadas---"
}
],
"metrics": {
"cvssMetricV31": [
{
"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:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-667"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7",
"versionEndExcluding": "6.7.11",
"matchCriteriaId": "9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.8.2",
"matchCriteriaId": "543A75FF-25B8-4046-A514-1EA8EDD87AB1"
}
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"references": [
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"url": "https://git.kernel.org/stable/c/3c4f53b2c341ec6428b98cb51a89a09b025d0953",
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