What’s Vulnerable › Vulnerabilities

CVE-2026-53104: wifi: mt76: Fix memory leak destroying device

• 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: 2026-06-24 · updated 2026-10-21
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix memory leak destroying device All MT76 rx queues have an associated page_pool even if the queue is not associated to a NAPI (e.g. WED RRO queues with WED enabled). Destroy the page_pool running mt76_dma_cleanup routine during module unload. Moreover returns pages to the page pool if WED is not enabled for WED RRO queues.

Affected products

• Linux kernel: from 6.8 before 6.18.33; from 6.19 before 7.0.10 — fixed in 6.18.33, 7.0.10

How to fix

Upgrade to a fixed version: Linux kernel 6.18.33, 7.0.10. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3c363fc4dbdb77a3f02dcf6ba90c1f0a111ef055
• https://git.kernel.org/stable/c/4b7c92fd8b8700fac387ff43c6f6e0c4e05ec93f
• https://git.kernel.org/stable/c/6b470f36616e3448d44b0ef4b1de2a3e3a31b5be
• https://git.kernel.org/stable/c/dcbc13d19bef3326c72f324b10f5a3e5fc4d71de

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