CVE-2026-93791

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

State
Published
Severity
Not scored
Published
Sep 24, 2026
Updated
Oct 30, 2026
Reserved
Sep 18, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • c46e7724bfe9bbff17bc468903a757248b99e4ed to before 03084a2c61838ce6a12f082025cbf9ed869f0492Affected
  • c46e7724bfe9bbff17bc468903a757248b99e4ed to before 0f690fd3b5535d110898b99ae6214f29c9060941Affected
  • c46e7724bfe9bbff17bc468903a757248b99e4ed to before 0b5325a0771674f1d65618de7db3df9d49186a12Affected
  • c46e7724bfe9bbff17bc468903a757248b99e4ed to before 59f64c2839022f41a7867b38f9e38c185ff39283Affected
  • c46e7724bfe9bbff17bc468903a757248b99e4ed to before 0e4c0d83267261cf67ec9690856edf4a56bb7dfcAffected
LinuxLinux
  • 4.9Affected
  • before 4.9Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.158 through 6.6.*Not affected
  • 6.12.111 through 6.12.*Not affected
  • 6.18.53 through 6.18.*Not affected
  • 7.2 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.