CVE-2022-49230: mt76: mt7915: fix possible memory leak in mt7915_mcu_add_sta

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-26 · updated 2026-06-17
Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix possible memory leak in mt7915_mcu_add_sta Free allocated skb in mt7915_mcu_add_sta routine in case of failures.

Affected products

Linux kernel: from 5.16 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.16.19, 5.17.2

How to fix

Upgrade to a fixed version: Linux kernel 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/a43736cd12d82913102eb49cb56787a5553e028f
https://git.kernel.org/stable/c/b334a245ff1d76b1e97af8cea648ea6798b9eb87
https://git.kernel.org/stable/c/daf02c7e3c3dc82ffa925999597bd455cf799551

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