wifi: iwlwifi: mvm: check n_ssids before accessing the ssids

{
  "id": "fb698d4c7ed87710fcec22bfc554e1c96db294bd7e2b48276f5db7d19eaa55eb",
  "url": "https://osv.dev/vulnerability/CVE-2024-40929",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wifi: iwlwifi: mvm: check n_ssids before accessing the ssids",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case will cuase an out-of-bound access. Fix this by checking n_ssids first.",
    "evidence": "osv:CVE-2024-40929",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.221",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.95",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.35",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-40929",
      "aliases": [
        "CVE-2024-40929"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c1a7515393e403758a684fd0a2372af466675b15"
                },
                {
                  "fixed": "3c4771091ea8016c8601399078916f722dd8833b"
                },
                {
                  "fixed": "f777792952d03bbaf8329fdfa99393a5a33e2640"
                },
                {
                  "fixed": "9e719ae3abad60e245ce248ba3f08148f375a614"
                },
                {
                  "fixed": "29a18d56bd64b95bd10bda4afda512558471382a"
                },
                {
                  "fixed": "62e007bdeb91c6879a4652c3426aef1cd9d2937b"
                },
                {
                  "fixed": "60d62757df30b74bf397a2847a6db7385c6ee281"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-40929.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.17.0"
                },
                {
                  "fixed": "5.10.221"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.162"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.95"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.35"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-40929.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:48.972604088Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/29a18d56bd64b95bd10bda4afda512558471382a",
        "https://git.kernel.org/stable/c/3c4771091ea8016c8601399078916f722dd8833b",
        "https://git.kernel.org/stable/c/60d62757df30b74bf397a2847a6db7385c6ee281",
        "https://git.kernel.org/stable/c/62e007bdeb91c6879a4652c3426aef1cd9d2937b",
        "https://git.kernel.org/stable/c/9e719ae3abad60e245ce248ba3f08148f375a614",
        "https://git.kernel.org/stable/c/f777792952d03bbaf8329fdfa99393a5a33e2640",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40929.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-40929",
        "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/2024/40xxx/CVE-2024-40929.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-40929",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517250,
  "published_at": "2024-07-12T12:25:08.434+00:00"
}