CVE-2026-90370

CVE-2026-90370: vulnerability in Linux

wifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config

Published

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 91% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config The response TLV loop advanced by tlv->len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during device probe. The u32 payload was also read without bounds checking. Reject a short fixed field, stop on a TLV whose length underruns the header or overruns the skb.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/3106f62809d45c1e6aadfad1f4d7c3f74cd53a96https://git.kernel.org/stable/c/39aa6b853b6d69dd1fee3507efdb3c277b7c53e6https://git.kernel.org/stable/c/44af52467e72094351a362bf69effd52f1d9c186https://git.kernel.org/stable/c/93eaddfdd35aa6bfe570c087db4e97fb9d8a791ahttps://git.kernel.org/stable/c/d0bb2189ade617e624f3c8f444ebb05f59bb2524