CVE-2026-93790wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 41fd2fec56db2564f02532ed7244e1f69193b4ad builds before 35f991d685feafd27255bd33272512c434e52527; from 41fd2fec56db2564f02532ed7244e1f69193b4ad before c48b741277b01b2c3b4ecccedc72fc575b71dc04; from 41fd2fec56db2564f02532ed7244e1f69193b4ad before e8ac5e91b1296f65c3d119fac3fa917ff458f811; from 41fd2fec56db2564f02532ed7244e1f69193b4ad before 94d3982806c7f194b23484befde12934dda23064 | CNA record |
References
- https://git.kernel.org/stable/c/35f991d685feafd27255bd33272512c434e52527
- https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04
- https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811
- https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.