Re: [PATCH] rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read
From: Alexandre Belloni
Date: Sun Jan 12 2025 - 18:27:18 EST
On Wed, 18 Dec 2024 20:34:58 +0100, Ahmad Fatoum wrote:
> The nvmem interface supports variable buffer sizes, while the regmap
> interface operates with fixed-size storage. If an nvmem client uses a
> buffer size less than 4 bytes, regmap_read will write out of bounds
> as it expects the buffer to point at an unsigned int.
>
> Fix this by using an intermediary unsigned int to hold the value.
>
> [...]
Applied, thanks!
[1/1] rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read
https://git.kernel.org/abelloni/c/3ab8c5ed4f84
Best regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com