FKIE_CVE-2025-38395
Vulnerability from fkie_nvd - Published: 2025-07-25 13:15 - Updated: 2025-12-23 19:33
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
drvdata::gpiods is supposed to hold an array of 'gpio_desc' pointers. But
the memory is allocated for only one pointer. This will lead to
out-of-bounds access later in the code if 'config::ngpios' is > 1. So
fix the code to allocate enough memory to hold 'config::ngpios' of GPIO
descriptors.
While at it, also move the check for memory allocation failure to be below
the allocation to make it more readable.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.16 | |
| linux | linux_kernel | 6.16 | |
| linux | linux_kernel | 6.16 | |
| linux | linux_kernel | 6.16 | |
| debian | debian_linux | 11.0 |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: gpio: Fix the out-of-bounds access to drvdata::gpiods\n\ndrvdata::gpiods is supposed to hold an array of \u0027gpio_desc\u0027 pointers. But\nthe memory is allocated for only one pointer. This will lead to\nout-of-bounds access later in the code if \u0027config::ngpios\u0027 is \u003e 1. So\nfix the code to allocate enough memory to hold \u0027config::ngpios\u0027 of GPIO\ndescriptors.\n\nWhile at it, also move the check for memory allocation failure to be below\nthe allocation to make it more readable."
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: regulator: gpio: Se corrige el acceso fuera de los l\u00edmites a drvdata::gpiods. drvdata::gpiods debe contener una matriz de punteros \u0027gpio_desc\u0027. Sin embargo, la memoria solo est\u00e1 asignada a un puntero. Esto provocar\u00e1 un acceso fuera de los l\u00edmites m\u00e1s adelante en el c\u00f3digo si \u0027config::ngpios\u0027 es \u0026gt; 1. Por lo tanto, corrija el c\u00f3digo para asignar suficiente memoria para contener \u0027config::ngpios\u0027 de descriptores GPIO. Adem\u00e1s, mueva la comprobaci\u00f3n de fallos de asignaci\u00f3n de memoria a un valor inferior a la asignaci\u00f3n para que sea m\u00e1s legible."
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"lastModified": "2025-12-23T19:33:07.250",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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