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]  dump_stack_lvl+0x56/0x6f
[   29.613496]  ? kmemdup+0x30/0x40
[   29.613754]  print_report.cold+0x494/0x6b7
[   29.614082]  ? kmemdup+0x30/0x40
[   29.614340]  kasan_report+0x8a/0x190
[   29.614628]  ? kmemdup+0x30/0x40
[   29.614888]  kasan_check_range+0x14d/0x1d0
[   29.615213]  memcpy+0x20/0x60
[   29.615454]  kmemdup+0x30/0x40
[   29.615700]  lgdt3306a_probe+0x52/0x310
[   29.616339]  i2c_device_probe+0x951/0xa90

kernel.org https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea [No types assigned]

kernel.org https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87 [No types assigned]

kernel.org https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0 [No types assigned]

kernel.org https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115 [No types assigned]

kernel.org https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4 [No types assigned]

kernel.org https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d [No types assigned]

kernel.org https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676 [No types assigned]