{"id":"CVE-2025-5868","summary":"RT-Thread lwp_syscall.c sys_thread_sigprocmask array index","details":"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.","modified":"2026-08-12T03:51:13.737534265Z","published":"2025-06-09T08:00:17.129Z","database_specific":{"cwe_ids":["CWE-119","CWE-129"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5868.json","cna_assigner":"VulDB"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5868.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5868"},{"type":"ADVISORY","url":"https://vuldb.com/?id.311627"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.584130"},{"type":"REPORT","url":"https://github.com/RT-Thread/rt-thread/issues/10303"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.311627"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rt-thread/rt-thread","events":[{"introduced":"4f7940167d172858e37373bc330c7093e8765d5b"},{"last_affected":"4f7940167d172858e37373bc330c7093e8765d5b"}],"database_specific":{"extracted_events":[{"introduced":"5.1.0"},{"last_affected":"5.1.0"}],"source":"AFFECTED_FIELD"}}],"versions":["5.1.0","v5.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5868.json"}}],"schema_version":"1.9.0","severity":[{"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"}]}