What’s Vulnerable › Vulnerabilities

CVE-2025-68738: wifi: mt76: mt7996: fix null pointer deref in mt7996_conf_tx()

• Severity: unknown
• 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: 2025-12-24 · updated 2026-10-13

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix null pointer deref in mt7996_conf_tx() If a link does not have an assigned channel yet, mt7996_vif_link returns NULL. We still need to store the updated queue settings in that case, and apply them later. Move the location of the queue params to within struct mt7996_vif_link.

Affected products

• Linux kernel: 6.14 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/79277f8ad15ec5f255ed0e1427c7a8a3e94e7f52
• https://git.kernel.org/stable/c/96841352aaba7723c20afb3a5356746810ef8198
• https://git.kernel.org/stable/c/b8f34c1c5c4f5130c20e3253c95ba1d844d402b9

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