CVE-2026-46136
wifi: mt76: mt7921: fix a potential clc buffer length underflow
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buf_len is used to limit the iterations for retrieving the country power setting and may underflow under certain conditions due to changes in the power table in CLC. This underflow leads to an almost infinite loop or an invalid power setting resulting in driver initialization failure.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | Jun 1, 2026 |
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Affected Versions
Linux / Linux
0c9318d49e501a5d50b02bd91a4813bde2353488 < 2a79b1a492bcfa725383b6580cd93a6862308c85 15173a1697236793e9e900b82fece6f99d41b2a7 < e451c325b000b9a0081fd93bc6d103d6943d4b55 fa6ad88e023ddfa6c5dcdb466d159e89f451e305 < 90cc573fd2f46ddbc2c329e7814b5ba3deb7b939 fa6ad88e023ddfa6c5dcdb466d159e89f451e305 < 0aa63d33742b805d1a218d18d12b983cce4b2f7b fa6ad88e023ddfa6c5dcdb466d159e89f451e305 < a0111847f0b4f6023f6dd320114697514e024ba3 fa6ad88e023ddfa6c5dcdb466d159e89f451e305 < 5373f8b19e568b5c217832b9bbef165bd2b2df14 5c8cac512844ad593d31258e215908014381bee2 6.1.75 < 6.1.175 6.6.14 < 6.6.140 6.7.2 < 6.8
Linux / Linux
6.8
References
git.kernel.org: https://git.kernel.org/stable/c/2a79b1a492bcfa725383b6580cd93a6862308c85 git.kernel.org: https://git.kernel.org/stable/c/e451c325b000b9a0081fd93bc6d103d6943d4b55 git.kernel.org: https://git.kernel.org/stable/c/90cc573fd2f46ddbc2c329e7814b5ba3deb7b939 git.kernel.org: https://git.kernel.org/stable/c/0aa63d33742b805d1a218d18d12b983cce4b2f7b git.kernel.org: https://git.kernel.org/stable/c/a0111847f0b4f6023f6dd320114697514e024ba3 git.kernel.org: https://git.kernel.org/stable/c/5373f8b19e568b5c217832b9bbef165bd2b2df14