What’s Vulnerable › Vulnerabilities

CVE-2025-38155: wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-03 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init() devm_ioremap() returns NULL on error. Currently, mt7915_mmio_wed_init() does not check for this case, which results in a NULL pointer dereference. Prevent null pointer dereference in mt7915_mmio_wed_init().

Affected products

• Linux kernel: from 6.2 before 6.6.94; from 6.7 before 6.12.34; from 6.13 before 6.15.3 — fixed in 6.12.34, 6.15.3, 6.6.94

How to fix

Upgrade to a fixed version: Linux kernel 6.12.34, 6.15.3, 6.6.94. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/790d05cde359356feea8915094a51166af1629f5
• https://git.kernel.org/stable/c/d825ed9fd768be10d52beba6f57a4b50c0c154aa
• https://git.kernel.org/stable/c/e9f9cef1877ac32285dbc1f31b86c8955b712fc2
• https://git.kernel.org/stable/c/efb95439c1477bbc955cacd0179c35e7861b437c

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