CVE-2024-27412
Estado: AnalizadaMedia (5.5)—
Detalles técnicos trazas, registros y código del informe original
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: alimentación: suministro: bq27xxx-i2c: no liberar IRQ no existente Es posible que el cliente bq27xxx i2c no tenga una IRQ, en cuyo caso client->irq será 0. bq27xxx_battery_i2c_probe( ) ya tiene una verificación if (cliente->irq) que envuelve request_threaded_irq(). Pero bq27xxx_battery_i2c_remove() llama incondicionalmente a free_irq(cliente->irq) lo que lleva a: [190.310742] ------------[ cortar aquí ]------------ [ 190.310843] Intentando liberar IRQ 0 [190.310861] que ya está libre ADVERTENCIA: CPU: 2 PID: 1304 en kernel/irq/manage.c:1893 free_irq+0x1b8/0x310 Seguido de un seguimiento al desvincular el controlador. Agregue un if (cliente->irq) a bq27xxx_battery_i2c_remove() mirroring probe() para solucionar este problema.
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: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 8/10/2026
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 (2)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/083686474e7c97b0f8b66df37fcb64e432e8b771
- https://git.kernel.org/stable/c/2df70149e73e79783bcbc7db4fa51ecef0e2022c
- https://git.kernel.org/stable/c/7394abc8926adee6a817bab10797e0adc898af77
- https://git.kernel.org/stable/c/cefe18e9ec84f8fe3e198ccebb815cc996eb9797
- https://git.kernel.org/stable/c/d4d813c0a14d6bf52d810a55db06a2e7e3d98eaa
- https://git.kernel.org/stable/c/d7acc4a569f5f4513120c85ea2b9f04909b7490f
- https://git.kernel.org/stable/c/e601ae81910ce6a3797876e190a2d8ef6cf828bc
- https://git.kernel.org/stable/c/fbca8bae1ba79d443a58781b45e92a73a24ac8f8
- https://git.kernel.org/stable/c/083686474e7c97b0f8b66df37fcb64e432e8b771
- https://git.kernel.org/stable/c/2df70149e73e79783bcbc7db4fa51ecef0e2022c
- https://git.kernel.org/stable/c/7394abc8926adee6a817bab10797e0adc898af77
- https://git.kernel.org/stable/c/cefe18e9ec84f8fe3e198ccebb815cc996eb9797
- https://git.kernel.org/stable/c/d4d813c0a14d6bf52d810a55db06a2e7e3d98eaa
- https://git.kernel.org/stable/c/d7acc4a569f5f4513120c85ea2b9f04909b7490f
- https://git.kernel.org/stable/c/e601ae81910ce6a3797876e190a2d8ef6cf828bc
- https://git.kernel.org/stable/c/fbca8bae1ba79d443a58781b45e92a73a24ac8f8
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
JSON original (NVD)
Mostrar
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq27xxx-i2c: Do not free non existing IRQ\n\nThe bq27xxx i2c-client may not have an IRQ, in which case\nclient->irq will be 0. bq27xxx_battery_i2c_probe() already has\nan if (client->irq) check wrapping the request_threaded_irq().\n\nBut bq27xxx_battery_i2c_remove() unconditionally calls\nfree_irq(client->irq) leading to:\n\n[ 190.310742] ------------[ cut here ]------------\n[ 190.310843] Trying to free already-free IRQ 0\n[ 190.310861] WARNING: CPU: 2 PID: 1304 at kernel/irq/manage.c:1893 free_irq+0x1b8/0x310\n\nFollowed by a backtrace when unbinding the driver. Add\nan if (client->irq) to bq27xxx_battery_i2c_remove() mirroring\nprobe() to fix this."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: alimentación: suministro: bq27xxx-i2c: no liberar IRQ no existente Es posible que el cliente bq27xxx i2c no tenga una IRQ, en cuyo caso client->irq será 0. bq27xxx_battery_i2c_probe( ) ya tiene una verificación if (cliente->irq) que envuelve request_threaded_irq(). Pero bq27xxx_battery_i2c_remove() llama incondicionalmente a free_irq(cliente->irq) lo que lleva a: [190.310742] ------------[ cortar aquí ]------------ [ 190.310843] Intentando liberar IRQ 0 [190.310861] que ya está libre ADVERTENCIA: CPU: 2 PID: 1304 en kernel/irq/manage.c:1893 free_irq+0x1b8/0x310 Seguido de un seguimiento al desvincular el controlador. Agregue un if (cliente->irq) a bq27xxx_battery_i2c_remove() mirroring probe() para solucionar este problema."
}
],
"lastModified": "2026-06-17T07:19:51.360",
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