CVE-2026-31389
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-04-03 16:16:36.823000
Last modified
2026-10-19 19:17:50.650000
View original CVE JSON
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-04-03T16:16:36.823",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nspi: corrección de uso después de liberación en caso de fallo de registro del controlador\n\nAsegúrese de anular el registro del núcleo del controlador también en el improbable caso de que falle la asignación de estadísticas por CPU durante el registro del controlador para evitar el uso después de liberación (de recursos del controlador) y los accesos a registros sin reloj."
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