wifi: iwlwifi: mvm: add a check on the tid coming from the firmware
Summary
| CVE | CVE-2026-93791 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-24 17:17:11 UTC |
| Updated | 2026-09-25 13:17:19 UTC |
| 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. |
Risk And Classification
EPSS: 0.001660000 probability, percentile 0.052240000 (date 2026-09-27)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected c46e7724bfe9bbff17bc468903a757248b99e4ed 0b5325a0771674f1d65618de7db3df9d49186a12 git | Not specified |
| CNA | Linux | Linux | affected c46e7724bfe9bbff17bc468903a757248b99e4ed 59f64c2839022f41a7867b38f9e38c185ff39283 git | Not specified |
| CNA | Linux | Linux | affected c46e7724bfe9bbff17bc468903a757248b99e4ed 0e4c0d83267261cf67ec9690856edf4a56bb7dfc git | Not specified |
| CNA | Linux | Linux | affected 4.9 | Not specified |
| CNA | Linux | Linux | unaffected 4.9 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.111 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.53 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/0b5325a0771674f1d65618de7db3df9d49186a12 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.