In the Linux kernel, the following vulnerability has been resolved:
media: lgdt3306a: Add a check against null-pointer-def
The driver should check whether the client provides the platform_data.
The following log reveals it:
[ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 [ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414 [ 29.612820] Call Trace: [ 29.613030] <TASK> [ 29.613201] dumpstacklvl+0x56/0x6f [ 29.613496] ? kmemdup+0x30/0x40 [ 29.613754] printreport.cold+0x494/0x6b7 [ 29.614082] ? kmemdup+0x30/0x40 [ 29.614340] kasanreport+0x8a/0x190 [ 29.614628] ? kmemdup+0x30/0x40 [ 29.614888] kasancheckrange+0x14d/0x1d0 [ 29.615213] memcpy+0x20/0x60 [ 29.615454] kmemdup+0x30/0x40 [ 29.615700] lgdt3306aprobe+0x52/0x310 [ 29.616339] i2cdevice_probe+0x951/0xa90