CVE-2026-90374
wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[] band_idx comes from a 2-bit descriptor field (0-3) and was used directly to index dev->mt76.phys[] (size __MT_MAX_BAND == 3) and dereference the result. A corrupt or reserved descriptor value could index out of bounds or hit a NULL phy on parts with fewer bands. Reject invalid band indices, mirroring mt7996_rx_get_wcid().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 17, 2026 |
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Affected Versions
Linux / Linux
98686cd21624c75a043e96812beadddf4f6f48e5 < 535091c587268cc783608642838a655d828eefdd 98686cd21624c75a043e96812beadddf4f6f48e5 < 0f53ece876e1f3bbb3e18f48afc4af1ee967b16c 98686cd21624c75a043e96812beadddf4f6f48e5 < b1c5cf8903bec5476a2233b4e45287b9a2213e02 98686cd21624c75a043e96812beadddf4f6f48e5 < 2243778a5fae8329ab5f18e7adcd7e03b911a1b7
Linux / Linux
6.2
References
git.kernel.org: https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd git.kernel.org: https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c git.kernel.org: https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02 git.kernel.org: https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7