CVE-2023-53203: wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-15 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val In order to fix a possible NULL pointer dereference in mt7996_mac_write_txwi() of vif pointer, export mt76_connac2_mac_tx_rate_val utility routine and reuse it in mt7996 driver.

Affected products

Linux kernel: from 6.2 before 6.2.3 — fixed in 6.2.3

How to fix

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

References

https://git.kernel.org/stable/c/0765b5b4719f0435bb019370b317d2fb8138eb34
https://git.kernel.org/stable/c/0b8e2d69467f78a7c9d87b452220e87012435e33

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