CVE-2025-38599 wifi: mt76: mt7996: Fix possible OOB access in mt7996_tx()

High 8.8 Published Updated

A local attacker can trigger an out-of-bounds memory access in the mt7996 WiFi driver, potentially causing a system crash or arbitrary code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-38599?

CVE-2025-38599 is a high-severity memory corruption vulnerability in Linux kernel, published on 19 Aug 2025. 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:

wifi: mt76: mt7996: Fix possible OOB access in mt7996_tx()

Fis possible Out-Of-Boundary access in mt7996_tx routine if link_id is set to IEEE80211_LINK_UNSPECIFIED

Weakness: CWE-125

Which versions are affected by CVE-2025-38599?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-38599?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-38599 being exploited?

There is no known exploitation of CVE-2025-38599 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2025-38599, GHSA-h8v7-7qgm-x4jg, UBUNTU-CVE-2025-38599.

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