What’s Vulnerable › Vulnerabilities

CVE-2025-37755: net: libwx: handle page_pool_dev_alloc_pages error

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-08-04
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: net: libwx: handle page_pool_dev_alloc_pages error page_pool_dev_alloc_pages could return NULL. There was a WARN_ON(!page) but it would still proceed to use the NULL pointer and then crash. This is similar to commit 001ba0902046 ("net: fec: handle page_pool_dev_alloc_pages error"). This is found by our static analysis tool KNighter.

Affected products

• Linux kernel: from 6.3 before 6.6.88; from 6.7 before 6.12.24; from 6.13 before 6.13.12; from 6.14 before 6.14.3; 6.15-rc1 — fixed in 6.12.24, 6.13.12, 6.14.3, 6.6.88

How to fix

Upgrade to a fixed version: Linux kernel 6.12.24, 6.13.12, 6.14.3, 6.6.88. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1dd13c60348f515acd8c6f25a561b9c4e3b04fea
• https://git.kernel.org/stable/c/7f1ff1b38a7c8b872382b796023419d87d78c47e
• https://git.kernel.org/stable/c/90bec7cef8805f9a23145e070dff28a02bb584eb
• https://git.kernel.org/stable/c/ad81d666e114ebf989fc9994d4c93d451dc60056
• https://git.kernel.org/stable/c/c17ef974bfcf1a50818168b47c4606b425a957c4

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