wifi: mt76: mt7925: prevent NULL pointer dereference in mt7925_tx_check_aggr()

{
  "id": "ca4bcf2767b343c0442a2fd29a11818ceb74a453d49f367ef49b7b75b4b33edf",
  "url": "https://osv.dev/vulnerability/CVE-2026-53318",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wifi: mt76: mt7925: prevent NULL pointer dereference in mt7925_tx_check_aggr()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: prevent NULL pointer dereference in mt7925_tx_check_aggr() Move the NULL check for 'sta' before dereferencing it to prevent a possible crash.",
    "evidence": "osv:CVE-2026-53318",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.91",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.33",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-53318",
      "aliases": [
        "CVE-2026-53318"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "44eb173bdd4f1775e13fce483d9e44ea8929717f"
                },
                {
                  "fixed": "28ed0b61f67386c0ba1213227d350005000240fd"
                },
                {
                  "fixed": "93d0694fb56de4628a921244d7f100c28acd2def"
                },
                {
                  "fixed": "b0332428a8d4cf93752eda9e2b0d5585525e689f"
                },
                {
                  "fixed": "83ae3a18ba957257b4c406273d2da2caeea2b439"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53318.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.12.91"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.33"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.0.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53318.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.365567693Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/28ed0b61f67386c0ba1213227d350005000240fd",
        "https://git.kernel.org/stable/c/83ae3a18ba957257b4c406273d2da2caeea2b439",
        "https://git.kernel.org/stable/c/93d0694fb56de4628a921244d7f100c28acd2def",
        "https://git.kernel.org/stable/c/b0332428a8d4cf93752eda9e2b0d5585525e689f",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53318.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53318",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53318.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-53318",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 507866,
  "published_at": "2026-06-26T19:41:10.611+00:00"
}