{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "41fd2fec56db2564f02532ed7244e1f69193b4ad"
            },
            {
              "fixed": "c48b741277b01b2c3b4ecccedc72fc575b71dc04"
            },
            {
              "fixed": "e8ac5e91b1296f65c3d119fac3fa917ff458f811"
            },
            {
              "fixed": "94d3982806c7f194b23484befde12934dda23064"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.15.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93790.json"
  },
  "details": "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-\u003etid_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.",
  "id": "CVE-2026-93790",
  "modified": "2026-09-27T03:30:34.009880886Z",
  "published": "2026-09-24T16:02:24.091Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93790.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93790"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif"
}