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

[Bethany Jamison]

[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(-)

-- 
2.34.1