CVE-2026-93791

Full vulnerability record from the local CVENow database.

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.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-09-24 17:17:11.820000

Last modified

2026-10-30 13:21:02.567000

View original CVE JSON

{
  "id": "CVE-2026-93791",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-24T17:17:11.820",
  "lastModified": "2026-10-30T13:21:02.567",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: add a check on the tid coming from the firmware\n\nba_notif->tid is a firmware-controlled u8 that is used directly\nas an array index into tid_data[] without any validation. Add a\nbounds check against IWL_MAX_TID_COUNT before dereferencing the\narray."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/tx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
              "lessThan": "03084a2c61838ce6a12f082025cbf9ed869f0492",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
              "lessThan": "0f690fd3b5535d110898b99ae6214f29c9060941",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
              "lessThan": "0b5325a0771674f1d65618de7db3df9d49186a12",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
              "lessThan": "59f64c2839022f41a7867b38f9e38c185ff39283",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
              "lessThan": "0e4c0d83267261cf67ec9690856edf4a56bb7dfc",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/tx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.9",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.9",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.191",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.158",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.111",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.53",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/03084a2c61838ce6a12f082025cbf9ed869f0492",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/0b5325a0771674f1d65618de7db3df9d49186a12",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/0f690fd3b5535d110898b99ae6214f29c9060941",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}