What’s Vulnerable › Vulnerabilities

CVE-2023-53466: wifi: mt76: mt7915: fix memory leak in mt7915_mcu_exit

• 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: 2025-10-01 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix memory leak in mt7915_mcu_exit Always purge mcu skb queues in mt7915_mcu_exit routine even if mt7915_firmware_state fails.

Affected products

• Linux kernel: from 5.8 before 6.1.16; from 6.2 before 6.2.3 — fixed in 6.1.16, 6.2.3

How to fix

Upgrade to a fixed version: Linux kernel 6.1.16, 6.2.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3095fe1e1d3198e62a3c7116c4cf7c734871475f
• https://git.kernel.org/stable/c/49bd78282e79ad177d14f37f4049f0605bf92dad
• https://git.kernel.org/stable/c/4cbb876153b63fe248200f734069c6881cf97722

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