CVE-2024-26894
Estado: ModificadaMedia (6)—
Detalles técnicos trazas, registros y código del informe original
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: procesador_idle: corrige la pérdida de memoria en acpi_processor_power_exit() Después de cancelar el registro del dispositivo de CPU inactivo, la memoria asociada con él no se libera, lo que genera una pérdida de memoria: objeto sin referencia 0xffff896282f6c000 (tamaño 1024): comunicación "swapper/0", pid 1, santiamén 4294893170 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 8836a742): [] kmalloc_trace+ 0x29d/0x340 [] acpi_processor_power_init+0xf3/0x1c0 [] __acpi_processor_start+0xd3/0xf0 [] acpi_processor_start+0x2c/0x50 [] realmente_probe+0xe2/0x480 [] __driver_probe_device+ 0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] bus_for_each_dev+0x70/0xc0 [] bus_add_driver+0x112/0x210 [] driver_register+ 0x55/0x100 [] acpi_processor_driver_init+0x3b/0xc0 [] do_one_initcall+0x41/0x300 [] kernel_init_freeable+0x320/0x470 [] kernel_init+0x16/0x1b0 [] ret_from_fork+ 0x2d/0x50 Solucione este problema liberando el dispositivo de CPU inactivo después de cancelar su registro.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
- Puntuación base: 6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.25%
- Percentil entre todas las CVEs puntuadas: 16
- 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
- CWE-770
Referencias
- https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2
- https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc
- https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e
- https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5
- https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9
- https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa
- https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51
- https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d
- https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8
- https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2
- https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc
- https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e
- https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5
- https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9
- https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa
- https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51
- https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d
- https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\n\nAfter unregistering the CPU idle device, the memory associated with\nit is not freed, leading to a memory leak:\n\nunreferenced object 0xffff896282f6c000 (size 1024):\n comm \"swapper/0\", pid 1, jiffies 4294893170\n hex dump (first 32 bytes):\n 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc 8836a742):\n [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0\n [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0\n [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50\n [<ffffffff99805872>] really_probe+0xe2/0x480\n [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n [<ffffffff99804822>] bus_add_driver+0x112/0x210\n [<ffffffff99807245>] driver_register+0x55/0x100\n [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0\n [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470\n [<ffffffff99b231f6>] kernel_init+0x16/0x1b0\n [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50\n\nFix this by freeing the CPU idle device after unregistering it."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: procesador_idle: corrige la pérdida de memoria en acpi_processor_power_exit() Después de cancelar el registro del dispositivo de CPU inactivo, la memoria asociada con él no se libera, lo que genera una pérdida de memoria: objeto sin referencia 0xffff896282f6c000 (tamaño 1024): comunicación \"swapper/0\", pid 1, santiamén 4294893170 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 8836a742): [] kmalloc_trace+ 0x29d/0x340 [] acpi_processor_power_init+0xf3/0x1c0 [] __acpi_processor_start+0xd3/0xf0 [] acpi_processor_start+0x2c/0x50 [] realmente_probe+0xe2/0x480 [] __driver_probe_device+ 0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] bus_for_each_dev+0x70/0xc0 [] bus_add_driver+0x112/0x210 [] driver_register+ 0x55/0x100 [] acpi_processor_driver_init+0x3b/0xc0 [] do_one_initcall+0x41/0x300 [] kernel_init_freeable+0x320/0x470 [] kernel_init+0x16/0x1b0 [] ret_from_fork+ 0x2d/0x50 Solucione este problema liberando el dispositivo de CPU inactivo después de cancelar su registro."
}
],
"lastModified": "2026-06-17T07:18:37.590",
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