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Change History

In the Linux kernel, the following vulnerability has been resolved:

thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR

In some case, the GDDV returns a package with a buffer which has
zero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10).

Then the data_vault_read() got NULL point dereference problem when
accessing the 0x10 value in data_vault.

[   71.024560] BUG: kernel NULL pointer dereference, address:
0000000000000010

This patch uses ZERO_OR_NULL_PTR(

kernel.org https://git.kernel.org/stable/c/7931e28098a4c1a2a6802510b0cbe57546d2049d [No types assigned]

kernel.org https://git.kernel.org/stable/c/dae42083b045a4ddf71c57cf350cb2412b5915c2 [No types assigned]