CVE-2026-23475
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: spi: fix statistics allocation The controller per-cpu statistics is not allocated until after the controller has been registered with driver core, which leaves a window where accessing the sysfs attributes can trigger a NULL-pointer dereference. Fix this by moving the statistics allocation to controller allocation while tying its lifetime to that of the controller (rather than using implicit devres).
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-04-03 16:16:35.440000
Last modified
2026-11-05 22:18:27.937000
View original CVE JSON
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-04-03T16:16:35.440",
"lastModified": "2026-11-05T22:18:27.937",
"vulnStatus": "Modified",
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix statistics allocation\n\nThe controller per-cpu statistics is not allocated until after the\ncontroller has been registered with driver core, which leaves a window\nwhere accessing the sysfs attributes can trigger a NULL-pointer\ndereference.\n\nFix this by moving the statistics allocation to controller allocation\nwhile tying its lifetime to that of the controller (rather than using\nimplicit devres)."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nspi: corregir la asignación de estadísticas\n\nLas estadísticas por CPU del controlador no se asignan hasta después de que el controlador ha sido registrado con el núcleo del controlador, lo que deja una ventana donde acceder a los atributos de sysfs puede desencadenar una desreferencia de puntero NULL.\n\nEsto se soluciona moviendo la asignación de estadísticas a la asignación del controlador, mientras se vincula su vida útil a la del controlador (en lugar de usar devres implícito)."
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