RT-Thread lwp_syscall.c sys_thread_sigprocmask array index

{
  "id": "4bf6f9b9acc244cab555491555327b7fd5f869e9a7c0227796593755546a97af",
  "url": "https://osv.dev/vulnerability/CVE-2025-5868",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RT-Thread lwp_syscall.c sys_thread_sigprocmask array index",
    "summary": "A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sys_thread_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.",
    "evidence": "osv:CVE-2025-5868",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-5868",
      "aliases": [
        "CVE-2025-5868"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rt-thread/rt-thread",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4f7940167d172858e37373bc330c7093e8765d5b"
                },
                {
                  "last_affected": "4f7940167d172858e37373bc330c7093e8765d5b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.1.0"
                      },
                      {
                        "last_affected": "5.1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.1.0",
            "v5.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5868.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.154202054Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5868.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-5868",
        "https://vuldb.com/?id.311627",
        "https://vuldb.com/?submit.584130",
        "https://github.com/RT-Thread/rt-thread/issues/10303",
        "https://vuldb.com/?ctiid.311627"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-129"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5868.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-5868",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505672,
  "published_at": "2025-06-09T08:00:17.129+00:00"
}