CVE-2026-90374
N/A
N/A
Summary
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().
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 98686cd21624c75a043e96812beadddf4f6f48e5 < 535091c587268cc783608642838a655d828eefdd | affected |
| Linux | Linux | 98686cd21624c75a043e96812beadddf4f6f48e5 < 0f53ece876e1f3bbb3e18f48afc4af1ee967b16c | affected |
| Linux | Linux | 98686cd21624c75a043e96812beadddf4f6f48e5 < b1c5cf8903bec5476a2233b4e45287b9a2213e02 | affected |
| Linux | Linux | 98686cd21624c75a043e96812beadddf4f6f48e5 < 2243778a5fae8329ab5f18e7adcd7e03b911a1b7 | affected |
| Linux | Linux | 6.2 | affected |
| Linux | Linux | 0 < 6.2 | unaffected |
| Linux | Linux | 6.12.110 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.52 <= 6.18.* | unaffected |
| Linux | Linux | 7.2.6 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd
- https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c
- https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02
- https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7
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