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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0011

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.2 — 6.6.128
linux	linux_kernel	6.7 — 6.12.75
linux	linux_kernel	6.13 — 6.18.14
linux	linux_kernel	6.19 — 6.19.4

References

Advisories & Patches

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

Frequently Asked Questions

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-46261? +

CVE-2026-46261 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0011, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-46261? +

CVE-2026-46261 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-46261? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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