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nvd-json-data-feeds/CVE-2021/CVE-2021-472xx/CVE-2021-47284.json
cad-safe-bot e6cbafdc40 Auto-Update: 2024-12-08T03:00:18.988682+00:00
2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2021-47284",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T15:15:16.577",
"lastModified": "2024-11-21T06:35:47.793",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nisdn: mISDN: netjet: Fix crash in nj_probe:\n\n'nj_setup' in netjet.c might fail with -EIO and in this case\n'card->irq' is initialized and is bigger than zero. A subsequent call to\n'nj_release' will free the irq that has not been requested.\n\nFix this bug by deleting the previous assignment to 'card->irq' and just\nkeep the assignment before 'request_irq'.\n\nThe KASAN's log reveals it:\n\n[ 3.354615 ] WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:1826\nfree_irq+0x100/0x480\n[ 3.355112 ] Modules linked in:\n[ 3.355310 ] CPU: 0 PID: 1 Comm: swapper/0 Not tainted\n5.13.0-rc1-00144-g25a1298726e #13\n[ 3.355816 ] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\nrel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014\n[ 3.356552 ] RIP: 0010:free_irq+0x100/0x480\n[ 3.356820 ] Code: 6e 08 74 6f 4d 89 f4 e8 5e ac 09 00 4d 8b 74 24 18\n4d 85 f6 75 e3 e8 4f ac 09 00 8b 75 c8 48 c7 c7 78 c1 2e 85 e8 e0 cf f5\nff <0f> 0b 48 8b 75 c0 4c 89 ff e8 72 33 0b 03 48 8b 43 40 4c 8b a0 80\n[ 3.358012 ] RSP: 0000:ffffc90000017b48 EFLAGS: 00010082\n[ 3.358357 ] RAX: 0000000000000000 RBX: ffff888104dc8000 RCX:\n0000000000000000\n[ 3.358814 ] RDX: ffff8881003c8000 RSI: ffffffff8124a9e6 RDI:\n00000000ffffffff\n[ 3.359272 ] RBP: ffffc90000017b88 R08: 0000000000000000 R09:\n0000000000000000\n[ 3.359732 ] R10: ffffc900000179f0 R11: 0000000000001d04 R12:\n0000000000000000\n[ 3.360195 ] R13: ffff888107dc6000 R14: ffff888107dc6928 R15:\nffff888104dc80a8\n[ 3.360652 ] FS: 0000000000000000(0000) GS:ffff88817bc00000(0000)\nknlGS:0000000000000000\n[ 3.361170 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 3.361538 ] CR2: 0000000000000000 CR3: 000000000582e000 CR4:\n00000000000006f0\n[ 3.362003 ] DR0: 0000000000000000 DR1: 0000000000000000 DR2:\n0000000000000000\n[ 3.362175 ] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:\n0000000000000400\n[ 3.362175 ] Call Trace:\n[ 3.362175 ] nj_release+0x51/0x1e0\n[ 3.362175 ] nj_probe+0x450/0x950\n[ 3.362175 ] ? pci_device_remove+0x110/0x110\n[ 3.362175 ] local_pci_probe+0x45/0xa0\n[ 3.362175 ] pci_device_probe+0x12b/0x1d0\n[ 3.362175 ] really_probe+0x2a9/0x610\n[ 3.362175 ] driver_probe_device+0x90/0x1d0\n[ 3.362175 ] ? mutex_lock_nested+0x1b/0x20\n[ 3.362175 ] device_driver_attach+0x68/0x70\n[ 3.362175 ] __driver_attach+0x124/0x1b0\n[ 3.362175 ] ? device_driver_attach+0x70/0x70\n[ 3.362175 ] bus_for_each_dev+0xbb/0x110\n[ 3.362175 ] ? rdinit_setup+0x45/0x45\n[ 3.362175 ] driver_attach+0x27/0x30\n[ 3.362175 ] bus_add_driver+0x1eb/0x2a0\n[ 3.362175 ] driver_register+0xa9/0x180\n[ 3.362175 ] __pci_register_driver+0x82/0x90\n[ 3.362175 ] ? w6692_init+0x38/0x38\n[ 3.362175 ] nj_init+0x36/0x38\n[ 3.362175 ] do_one_initcall+0x7f/0x3d0\n[ 3.362175 ] ? rdinit_setup+0x45/0x45\n[ 3.362175 ] ? rcu_read_lock_sched_held+0x4f/0x80\n[ 3.362175 ] kernel_init_freeable+0x2aa/0x301\n[ 3.362175 ] ? rest_init+0x2c0/0x2c0\n[ 3.362175 ] kernel_init+0x18/0x190\n[ 3.362175 ] ? rest_init+0x2c0/0x2c0\n[ 3.362175 ] ? rest_init+0x2c0/0x2c0\n[ 3.362175 ] ret_from_fork+0x1f/0x30\n[ 3.362175 ] Kernel panic - not syncing: panic_on_warn set ...\n[ 3.362175 ] CPU: 0 PID: 1 Comm: swapper/0 Not tainted\n5.13.0-rc1-00144-g25a1298726e #13\n[ 3.362175 ] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\nrel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014\n[ 3.362175 ] Call Trace:\n[ 3.362175 ] dump_stack+0xba/0xf5\n[ 3.362175 ] ? free_irq+0x100/0x480\n[ 3.362175 ] panic+0x15a/0x3f2\n[ 3.362175 ] ? __warn+0xf2/0x150\n[ 3.362175 ] ? free_irq+0x100/0x480\n[ 3.362175 ] __warn+0x108/0x150\n[ 3.362175 ] ? free_irq+0x100/0x480\n[ 3.362175 ] report_bug+0x119/0x1c0\n[ 3.362175 ] handle_bug+0x3b/0x80\n[ 3.362175 ] exc_invalid_op+0x18/0x70\n[ 3.362175 ] asm_exc_invalid_op+0x12/0x20\n[ 3.362175 ] RIP: 0010:free_irq+0x100\n---truncated---"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: isdn: mISDN: netjet: Soluciona fallo en nj_probe: 'nj_setup' en netjet.c puede fallar con -EIO y en este caso 'card-&gt;irq' est\u00e1 inicializado y es m\u00e1s grande que cero. Una llamada posterior a 'nj_release' liberar\u00e1 el irq que no ha sido solicitado. Corrija este error eliminando la asignaci\u00f3n anterior a 'card-&gt;irq' y simplemente mantenga la asignaci\u00f3n antes de 'request_irq'. El registro de KASAN lo revela: [3.354615] ADVERTENCIA: CPU: 0 PID: 1 en kernel/irq/manage.c:1826 free_irq+0x100/0x480 [3.355112] M\u00f3dulos vinculados en: [3.355310] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-rc1-00144-g25a1298726e #13 [ 3.355816 ] Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04 /01/2014 [ 3.356552 ] RIP: 0010:free_irq+0x100/0x480 [ 3.356820 ] C\u00f3digo: 6e 08 74 6f 4d 89 f4 e8 5e ac 09 00 4d 8b 74 24 18 4d 85 f6 75 e3 e8 f ac 09 00 8b 75 c8 48 c7 c7 78 c1 2e 85 e8 e0 cf f5 ff &lt;0f&gt; 0b 48 8b 75 c0 4c 89 ff e8 72 33 0b 03 48 8b 43 40 4c 8b a0 80 [ 3.358012 ] RSP: 17b48 EFLAGS: 00010082 [ 3.358357 ] RAX: 0000000000000000 RBX: ffff888104dc8000 RCX: 0000000000000000 [ 3.358814 ] RDX: ffff8881003c8000 RSI: ffffffff8124a9e6 RDI: 00000000ffffff ff [ 3.359272 ] RBP: ffffc90000017b88 R08: 0000000000000000 R09: 0000000000000000 [ 3.359732 ] R10: ffffc900000179f0 R11: 0000000000001d0 4 R12: 0000000000000000 [ 3.360195 ] R13 : ffff888107dc6000 R14: ffff888107dc6928 R15: ffff888104dc80a8 [ 3.360652 ] FS: 0000000000000000(0000) GS:ffff88817bc00000(0000) 00000000000 [ 3.361170 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.361538 ] CR2: 00000000000000000 CR3: 000000000582e000 CR4: 00000000000006f0 [ 3.362003 ] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.362175 ] DR3: 000000000000000 0 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.362175 ] Seguimiento de llamadas: [ 3.362175 ] nj_release+0x51/0x1e0 [ 3.362175 ] nj_probe+0x450/0x950 [ 3,362175 ] ? pci_device_remove+0x110/0x110 [ 3.362175 ] local_pci_probe+0x45/0xa0 [ 3.362175 ] pci_device_probe+0x12b/0x1d0 [ 3.362175 ] really_probe+0x2a9/0x610 [ 3.362175 ]driver_probe_device+0x90/0x1d0 [3.362175]? mutex_lock_nested+0x1b/0x20 [3.362175] device_driver_attach+0x68/0x70 [3.362175] __driver_attach+0x124/0x1b0 [3.362175]? device_driver_attach+0x70/0x70 [3.362175] bus_for_each_dev+0xbb/0x110 [3.362175]? rdinit_setup+0x45/0x45 [ 3.362175 ] driver_attach+0x27/0x30 [ 3.362175 ] bus_add_driver+0x1eb/0x2a0 [ 3.362175 ] driver_register+0xa9/0x180 [ 3.362175 ] x82/0x90 [3.362175]? w6692_init+0x38/0x38 [3.362175] nj_init+0x36/0x38 [3.362175] do_one_initcall+0x7f/0x3d0 [3.362175]? rdinit_setup+0x45/0x45 [3.362175]? rcu_read_lock_sched_held+0x4f/0x80 [3.362175] kernel_init_freeable+0x2aa/0x301 [3.362175]? rest_init+0x2c0/0x2c0 [3.362175] kernel_init+0x18/0x190 [3.362175]? rest_init+0x2c0/0x2c0 [3.362175]? rest_init+0x2c0/0x2c0 [3.362175] ret_from_fork+0x1f/0x30 [3.362175] P\u00e1nico del kernel - no sincronizado: panic_on_warn establecido... [3.362175] CPU: 0 PID: 1 Comm: swapper/0 No contaminado 5.13.0-rc1-00144 -g25a1298726e #13 [ 3.362175 ] Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 01/04/2014 [ 3.362175 ] Seguimiento de llamadas: [ 3.362175 ] dump_stack+0xba/0xf5 [3.362175]? free_irq+0x100/0x480 [3.362175] p\u00e1nico+0x15a/0x3f2 [3.362175]? __advertir+0xf2/0x150 [3.362175]? free_irq+0x100/0x480 [3.362175] __warn+0x108/0x150 [3.362175]? free_irq+0x100/0x480 [ 3.362175 ] report_bug+0x119/0x1c0 [ 3.362175 ] handle_bug+0x3b/0x80 [ 3.362175 ] exc_invalid_op+0x18/0x70 [ 3.362175 ] x12/0x20 [3.362175] RIP: 0010:free_irq+0x100 --- truncado---"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.0,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/143fc7220961220eecc04669e5909af8847bf8c8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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