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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-93790

wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif mvmsta->tid_data was indexed by the TFD loop counter 'i' instead of the actual TID value 'tid'. This writes lq_color into a random tid_data slot unrelated to the BA entry. Since multi-TID blockack is not really in use, 'i' was always 0 and no harm was done. Add a out-of-bound check before accessing the array.

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

  • 41fd2fec56db2564f02532ed7244e1f69193b4ad to < ed9869e64dd7a397a320ae7a37f1e4a36f866f74affected
  • 41fd2fec56db2564f02532ed7244e1f69193b4ad to < 35f991d685feafd27255bd33272512c434e52527affected
  • 41fd2fec56db2564f02532ed7244e1f69193b4ad to < c48b741277b01b2c3b4ecccedc72fc575b71dc04affected
  • 41fd2fec56db2564f02532ed7244e1f69193b4ad to < e8ac5e91b1296f65c3d119fac3fa917ff458f811affected
  • 41fd2fec56db2564f02532ed7244e1f69193b4ad to < 94d3982806c7f194b23484befde12934dda23064affected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 6.1.191 to ≤ 6.1.*unaffected
  • 6.6.158 to ≤ 6.6.*unaffected
  • 6.12.111 to ≤ 6.12.*unaffected
  • 6.18.53 to ≤ 6.18.*unaffected
  • 7.2 to ≤ *unaffected

References