CVE-2026-68309
Received Received - Intake

NULL Pointer Dereference in Linux Kernel MT76 WiFi Driver

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-68309
EUVD
EUVD-2026-55410

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux_kernel linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a NULL-pointer dereference vulnerability in the Linux kernel's mt76 Wi-Fi driver. The issue occurs in the mt76_connac_mcu_uni_bss_he_tlv function where the mt76_connac_get_he_phy_cap routine may return NULL. The code attempts to use this NULL pointer without checking, which could lead to a system crash or other undefined behavior.

Impact Analysis

If exploited, this vulnerability could cause a kernel panic or system instability, leading to denial of service. It may also potentially allow unauthorized code execution in the kernel context, depending on the system configuration and attacker capabilities.

Mitigation Strategies

Update your Linux kernel to the latest patched version to resolve the NULL-pointer dereference in the mt76_connac_mcu_uni_bss_he_tlv function.

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