CVE-2022-49460
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
PM / devfreq: rk3399_dmc: Disable edev on remove()
Otherwise we hit an unablanced enable-count when unbinding the DFI device:
Detalles técnicos trazas, registros y código del informe original
[ 1279.659119] ------------[ cut here ]------------ [ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c ... [ 1279.659352] Hardware name: Google Kevin (DT) [ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--) [ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c [ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28 ... [ 1279.659571] Call trace: [ 1279.659582] devfreq_event_remove_edev+0x84/0x8c [ 1279.659590] devm_devfreq_event_release+0x1c/0x28 [ 1279.659602] release_nodes+0x1cc/0x244 [ 1279.659611] devres_release_all+0x44/0x60 [ 1279.659621] device_release_driver_internal+0x11c/0x1ac [ 1279.659629] device_driver_detach+0x20/0x2c [ 1279.659641] unbind_store+0x7c/0xb0 [ 1279.659650] drv_attr_store+0x2c/0x40 [ 1279.659663] sysfs_kf_write+0x44/0x58 [ 1279.659672] kernfs_fop_write_iter+0xf4/0x190 [ 1279.659684] vfs_write+0x2b0/0x2e4 [ 1279.659693] ksys_write+0x80/0xec [ 1279.659701] __arm64_sys_write+0x24/0x30 [ 1279.659714] el0_svc_common+0xf0/0x1d8 [ 1279.659724] do_el0_svc_compat+0x28/0x3c [ 1279.659738] el0_svc_compat+0x10/0x1c [ 1279.659746] el0_sync_compat_handler+0xa8/0xcc [ 1279.659758] el0_sync_compat+0x188/0x1c0 [ 1279.659768] ---[ end trace cec200e5094155b4 ]---
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: 0.27%
- Percentil entre todas las CVEs puntuadas: 17
- Fecha de la puntuación: 6/10/2026
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/2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804
- https://git.kernel.org/stable/c/664736e2cc09e504ce58ec61164d029d1f2651bb
- https://git.kernel.org/stable/c/86b091b6894c449d2734de7aa7d79ccb33ffd97d
- https://git.kernel.org/stable/c/a0180e324a9a63de8f770da300477b48cb4a53f1
- https://git.kernel.org/stable/c/a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef
- https://git.kernel.org/stable/c/cb1be1d4be18fe286ba5a67d928598378fd7fbe5
- https://git.kernel.org/stable/c/fb089b6f21de03a685dd31df3789bbb01c59f8e3
JSON original (NVD)
Mostrar
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"baseSeverity": "MEDIUM",
"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",
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"privilegesRequired": "LOW",
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"published": "2025-02-26T07:01:22.327",
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"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: rk3399_dmc: Disable edev on remove()\n\nOtherwise we hit an unablanced enable-count when unbinding the DFI\ndevice:\n\n[ 1279.659119] ------------[ cut here ]------------\n[ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c\n...\n[ 1279.659352] Hardware name: Google Kevin (DT)\n[ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)\n[ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28\n...\n[ 1279.659571] Call trace:\n[ 1279.659582] devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659590] devm_devfreq_event_release+0x1c/0x28\n[ 1279.659602] release_nodes+0x1cc/0x244\n[ 1279.659611] devres_release_all+0x44/0x60\n[ 1279.659621] device_release_driver_internal+0x11c/0x1ac\n[ 1279.659629] device_driver_detach+0x20/0x2c\n[ 1279.659641] unbind_store+0x7c/0xb0\n[ 1279.659650] drv_attr_store+0x2c/0x40\n[ 1279.659663] sysfs_kf_write+0x44/0x58\n[ 1279.659672] kernfs_fop_write_iter+0xf4/0x190\n[ 1279.659684] vfs_write+0x2b0/0x2e4\n[ 1279.659693] ksys_write+0x80/0xec\n[ 1279.659701] __arm64_sys_write+0x24/0x30\n[ 1279.659714] el0_svc_common+0xf0/0x1d8\n[ 1279.659724] do_el0_svc_compat+0x28/0x3c\n[ 1279.659738] el0_svc_compat+0x10/0x1c\n[ 1279.659746] el0_sync_compat_handler+0xa8/0xcc\n[ 1279.659758] el0_sync_compat+0x188/0x1c0\n[ 1279.659768] ---[ end trace cec200e5094155b4 ]---"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PM/devfreq: rk3399_dmc: Deshabilitar edev en remove() De lo contrario, alcanzamos un recuento de habilitaciones no balanceado al desvincular el dispositivo DFI: [1279.659119] ------------[cortar aquí]------------ [1279.659179] ADVERTENCIA: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c ... [ 1279.659352] Hardware name: Google Kevin (DT) [ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--) [ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c [ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28 ... [ 1279.659571] Call trace: [ 1279.659582] devfreq_event_remove_edev+0x84/0x8c [ 1279.659590] devm_devfreq_event_release+0x1c/0x28 [ 1279.659602] release_nodes+0x1cc/0x244 [ 1279.659611] devres_release_all+0x44/0x60 [ 1279.659621] device_release_driver_internal+0x11c/0x1ac [ 1279.659629] device_driver_detach+0x20/0x2c [ 1279.659641] unbind_store+0x7c/0xb0 [ 1279.659650] drv_attr_store+0x2c/0x40 [ 1279.659663] sysfs_kf_write+0x44/0x58 [ 1279.659672] kernfs_fop_write_iter+0xf4/0x190 [ 1279.659684] vfs_write+0x2b0/0x2e4 [ 1279.659693] ksys_write+0x80/0xec [ 1279.659701] __arm64_sys_write+0x24/0x30 [ 1279.659714] el0_svc_common+0xf0/0x1d8 [ 1279.659724] do_el0_svc_compat+0x28/0x3c [ 1279.659738] el0_svc_compat+0x10/0x1c [ 1279.659746] el0_sync_compat_handler+0xa8/0xcc [ 1279.659758] el0_sync_compat+0x188/0x1c0 [ 1279.659768] ---[ end trace cec200e5094155b4 ]--- "
}
],
"lastModified": "2026-06-17T05:18:06.897",
"configurations": [
{
"nodes": [
{
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}