CVE-2026-46261 spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()

What is CVE-2026-46261?

CVE-2026-46261 is a medium-severity vulnerability in Linux kernel, published on 3 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2026-46261?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-46261?

Apply the vendor's patch.

Is CVE-2026-46261 being exploited?

There is no known exploitation of CVE-2026-46261 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2026-46261, DEBIAN-CVE-2026-46261, GHSA-86fj-8698-3qp6, UBUNTU-CVE-2026-46261.