[SRU][N][PATCH 0/1] CVE-2024-35984

[Bethany Jamison]

[Impact]

i2c: smbus: fix NULL function pointer dereference

Baruch reported an OOPS when using the designware controller as target
only. Target-only modes break the assumption of one transfer function
always being available. Fix this by always checking the pointer in
__i2c_transfer.

[Fix]

Noble:	Clean cherry-pick from linux-6.8.y
Jammy:	pending
Focal:	pending
Bionic:	fix sent to esm ML
Xenial:	fix sent to esm ML
Trusty:	not affected

[Test Case]

Compile and boot tested

[Where problems could occur]

This fix affects those who use I2C protocol, an issue with this 
fix would be visible to the user via unexpected system behavior
or a system crash.

Wolfram Sang (1):
  i2c: smbus: fix NULL function pointer dereference

 drivers/i2c/i2c-core-base.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

-- 
2.34.1