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

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-93791

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:CVE-2026-93791

Kernel

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
6.6.158

Source reference: /affected/1/ranges

6.12.111

Source reference: /affected/1/ranges

6.18.53

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
        "type": "GIT",
        "events": [
          {
            "introduced": "c46e7724bfe9bbff17bc468903a757248b99e4ed"
          },
          {
            "fixed": "0f690fd3b5535d110898b99ae6214f29c9060941"
          },
          {
            "fixed": "0b5325a0771674f1d65618de7db3df9d49186a12"
          },
          {
            "fixed": "59f64c2839022f41a7867b38f9e38c185ff39283"
          },
          {
            "fixed": "0e4c0d83267261cf67ec9690856edf4a56bb7dfc"
          }
        ]
      }
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93791.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "4.9.0"
          },
          {
            "fixed": "6.6.158"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.7.0"
          },
          {
            "fixed": "6.12.111"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.13.0"
          },
          {
            "fixed": "6.18.53"
          }
        ]
      }
    ],
    "package": {
      "name": "Kernel",
      "ecosystem": "Linux"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93791.json"
    }
  }
]
Related CVEs
CVE-2026-93791

Source reference: /id

Publisher severity

No explicit severity was provided.

Event
#83538 · Revision 1
Added to Heist Feed
Publisher date
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