ACK: [SRU][N][PATCH 0/1] CVE-2024-46758

[ivanhu]

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


On 10/11/24 02:35, 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.
> 
> [Where problems could occur]
> 
> This fix affects those who use the driver for Texas Instruments
> National Semiconductor LM95234, an issue with this fix would be
> visible to the user via a loss of precision resulting in inaccurate
> measurements.
> 
> Guenter Roeck (1):
>    hwmon: (lm95234) Fix underflows seen when writing limit attributes
> 
>   drivers/hwmon/lm95234.c | 9 +++++----
>   1 file changed, 5 insertions(+), 4 deletions(-)
>