CVE-2026-46261

Description

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.

References

• https://git.kernel.org/stable/c/0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891
• https://git.kernel.org/stable/c/2c538a0b3472e99c892c26f4940da38b7d87f632
• https://git.kernel.org/stable/c/888a0a802c467bbe34a42167bdf9d7331333440a
• https://git.kernel.org/stable/c/9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9
• https://git.kernel.org/stable/c/cb9b2dc34a9eef0855edb00ae9c9b7f72394281b