spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()
CVE-2026-46261
Currently unrated
What is CVE-2026-46261?
In the Linux kernel, the following vulnerability has been resolved:
spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()
platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size().
Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.
Affected Version(s)
Linux 9838c182471ee5532824bae7f2669d3539719f78 < 9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9
Linux 9838c182471ee5532824bae7f2669d3539719f78 < 2c538a0b3472e99c892c26f4940da38b7d87f632
Linux 9838c182471ee5532824bae7f2669d3539719f78 < 0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891