CVE-2026-93790

{
  "id": "CVE-2026-93790",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-24T17:17:11.710",
  "lastModified": "2026-10-30T13:21:02.427",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif\n\nmvmsta->tid_data was indexed by the TFD loop counter 'i' instead of\nthe actual TID value 'tid'. This writes lq_color into a random tid_data\nslot unrelated to the BA entry.\nSince multi-TID blockack is not really in use, 'i' was always 0 and no\nharm was done.\nAdd a out-of-bound check before accessing the array."
    }
  ],
  "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": "41fd2fec56db2564f02532ed7244e1f69193b4ad",
              "lessThan": "ed9869e64dd7a397a320ae7a37f1e4a36f866f74",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "41fd2fec56db2564f02532ed7244e1f69193b4ad",
              "lessThan": "35f991d685feafd27255bd33272512c434e52527",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "41fd2fec56db2564f02532ed7244e1f69193b4ad",
              "lessThan": "c48b741277b01b2c3b4ecccedc72fc575b71dc04",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "41fd2fec56db2564f02532ed7244e1f69193b4ad",
              "lessThan": "e8ac5e91b1296f65c3d119fac3fa917ff458f811",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "41fd2fec56db2564f02532ed7244e1f69193b4ad",
              "lessThan": "94d3982806c7f194b23484befde12934dda23064",
              "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": "4.15",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.15",
              "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": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/35f991d685feafd27255bd33272512c434e52527",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ed9869e64dd7a397a320ae7a37f1e4a36f866f74",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}