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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-46136

wifi: mt76: mt7921: fix a potential clc buffer length underflow

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0c9318d49e501a5d50b02bd91a4813bde2353488 to < 2a79b1a492bcfa725383b6580cd93a6862308c85affected
  • 15173a1697236793e9e900b82fece6f99d41b2a7 to < e451c325b000b9a0081fd93bc6d103d6943d4b55affected
  • fa6ad88e023ddfa6c5dcdb466d159e89f451e305 to < 90cc573fd2f46ddbc2c329e7814b5ba3deb7b939affected
  • fa6ad88e023ddfa6c5dcdb466d159e89f451e305 to < 0aa63d33742b805d1a218d18d12b983cce4b2f7baffected
  • fa6ad88e023ddfa6c5dcdb466d159e89f451e305 to < a0111847f0b4f6023f6dd320114697514e024ba3affected
  • fa6ad88e023ddfa6c5dcdb466d159e89f451e305 to < 5373f8b19e568b5c217832b9bbef165bd2b2df14affected
  • 5c8cac512844ad593d31258e215908014381bee2affected
  • 6.1.75 to < 6.1.175affected
  • 6.6.14 to < 6.6.140affected
  • 6.7.2 to < 6.8affected

Linux Linux

Default version status: affected

  • 6.8affected
  • 0 to < 6.8unaffected
  • 6.1.175 to ≤ 6.1.*unaffected
  • 6.6.140 to ≤ 6.6.*unaffected
  • 6.12.88 to ≤ 6.12.*unaffected
  • 6.18.30 to ≤ 6.18.*unaffected
  • 7.0.7 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References