CVE-2022-49525
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
media: cx25821: Fix the warning when removing the module
When removing the module, we will get the following warning:
Fix this by freeing the irq before call pci_disable_device().
Detalles técnicos trazas, registros y código del informe original
[ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]' [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792] <TASK> [ 14.759975] unregister_irq_proc+0x14c/0x170 [ 14.760340] irq_free_descs+0x94/0xe0 [ 14.760640] mp_unmap_irq+0xb6/0x100 [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40 [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320 [ 14.761688] pci_disable_device+0x1ad/0x380 [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60 [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821] [ 14.763242] pci_device_remove+0x92/0x240
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.28%
- Percentil entre todas las CVEs puntuadas: 18
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331
- https://git.kernel.org/stable/c/1f0fc1dfb5fdd456657519a97fab83691b96c6a0
- https://git.kernel.org/stable/c/2203436a4d24302871617373a7eb21bc17e38762
- https://git.kernel.org/stable/c/222292930c8ecc3516e03ec1f9fa8448be7ff496
- https://git.kernel.org/stable/c/258639bc55a586ee6df92d89786ccf1c71546d70
- https://git.kernel.org/stable/c/3f94169affa33c9db4a439d88f09cb2ed3a33332
- https://git.kernel.org/stable/c/4d6295b6d986476232332fffd08575b185f90d81
- https://git.kernel.org/stable/c/5beb85ff7d005ddb7bf604a4f2dc76f01b84b318
- https://git.kernel.org/stable/c/9d92291698e5cc35a2b8a1106a01ddd7d60ade2d
JSON original (NVD)
Mostrar
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx25821: Fix the warning when removing the module\n\nWhen removing the module, we will get the following warning:\n\n[ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]'\n[ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0\n[ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0\n[ 14.759589] Call Trace:\n[ 14.759792] <TASK>\n[ 14.759975] unregister_irq_proc+0x14c/0x170\n[ 14.760340] irq_free_descs+0x94/0xe0\n[ 14.760640] mp_unmap_irq+0xb6/0x100\n[ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40\n[ 14.761334] acpi_pci_irq_disable+0x1d3/0x320\n[ 14.761688] pci_disable_device+0x1ad/0x380\n[ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60\n[ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821]\n[ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821]\n[ 14.763242] pci_device_remove+0x92/0x240\n\nFix this by freeing the irq before call pci_disable_device()."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: cx25821: Arreglar la advertencia al eliminar el módulo Al eliminar el módulo, obtendremos la siguiente advertencia: [ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]' [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792] [ 14.759975] unregister_irq_proc+0x14c/0x170 [ 14.760340] irq_free_descs+0x94/0xe0 [ 14.760640] mp_unmap_irq+0xb6/0x100 [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40 [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320 [ 14.761688] pci_disable_device+0x1ad/0x380 [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60 [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821] [ 14.763242] pci_device_remove+0x92/0x240 Solucione esto liberando el irq antes de llamar a pci_disable_device()."
}
],
"lastModified": "2026-06-17T05:18:19.513",
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