What’s Vulnerable › Vulnerabilities

CVE-2022-50172: mt76: mt76x02u: fix possible memory leak in __mt76x02u_mcu_send_msg

• 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: 2025-06-18 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt76x02u: fix possible memory leak in __mt76x02u_mcu_send_msg Free the skb if mt76u_bulk_msg fails in __mt76x02u_mcu_send_msg routine.

Affected products

• Linux kernel: from 4.20 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.137, 5.15.61, 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2f53ba46d8c97aca681adbe5098e1f84580c446d
• https://git.kernel.org/stable/c/3ad958bc488e3ecb0207d31621c00efb86f17482
• https://git.kernel.org/stable/c/cffd93411575afd987788e2ec3cb8eaff70f0215
• https://git.kernel.org/stable/c/da1ab462b96c5d47a0755aec957bae3d685538c5
• https://git.kernel.org/stable/c/f1609c4f4a21777e081b36596224802b85052ad9

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