CVE-2026-93791

wifi: iwlwifi: mvm: add a check on the tid coming from the firmware

N/A
Published: September 24, 2026 at 04:02 PM UTC
Updated: October 3, 2026 at 11:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: add a check on the tid coming from the firmware ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.9 ≤ v < 6.12.1114.9 ≤ v < 6.18.534.9 ≤ v < 6.6.1584.9 ≤ v < 7.24.9c46e7724bfe9bbff17bc468903a757248b99e4ed
Vendor states this is fixed in 0b5325a0771674f1d65618de7db3df9d49186a12 (fixed)
Vendor states this is fixed in 0e4c0d83267261cf67ec9690856edf4a56bb7dfc (fixed)
Vendor states this is fixed in 0f690fd3b5535d110898b99ae6214f29c9060941 (fixed)
Vendor states this is fixed in 59f64c2839022f41a7867b38f9e38c185ff39283 (fixed)
Vendor states this is fixed in 4.9 (unaffected)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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