ACK: [SRU][N][PATCH 0/1] CVE-2024-46757

[ivanhu]

Acked-by: Ivan Hu <ivan.hu at canonical.com>

On 2024/10/12 03:47, Bethany Jamison wrote:
> [Impact]
> 
> DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large
> negative number such as -9223372036854775808 is provided by the user.
> Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations.
> 
> [Fix]
> 
> Noble:	Clean cherry-pick from linux-6.10.y
> Jammy:	pending (5.15.0-125.135)
> Focal:	pending (5.4.0-200.220)
> Bionic:	fix sent to esm ML
> Xenial:	fix sent to esm ML
> Trusty:	won't fix
> 
> [Test Case]
> 
> Compile tested, lack the hardware to boot test.
> 
> [Where problems could occur]
> 
> This fix affects those who use the driver for the hardware monitoring
> functionality of Nuvoton NCT677x Super-I/O chips, an issue with this
> fix would be visible to the user via data corruption or inaccuracy.
> 
> Guenter Roeck (1):
>    hwmon: (nct6775-core) Fix underflows seen when writing limit
>      attributes
> 
>   drivers/hwmon/nct6775-core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>