{"id":"CVE-2025-5865","summary":"RT-Thread Parameter lwp_syscall.c sys_select memory corruption","details":"A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that \"[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory.\"","modified":"2026-10-22T10:31:23.687395954Z","published":"2025-06-09T06:31:23.530Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-119"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5865.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5865.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5865"},{"type":"ADVISORY","url":"https://vuldb.com/?id.311624"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.584124"},{"type":"REPORT","url":"https://github.com/RT-Thread/rt-thread/issues/10298"},{"type":"REPORT","url":"https://github.com/RT-Thread/rt-thread/issues/10298#issuecomment-2894952150"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.311624"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rt-thread/rt-thread","events":[{"introduced":"4f7940167d172858e37373bc330c7093e8765d5b"},{"last_affected":"4f7940167d172858e37373bc330c7093e8765d5b"}],"database_specific":{"extracted_events":[{"strategy":"StandaloneSingleVersion","range":[{"introduced":"5.1.0"},{"last_affected":"5.1.0"}],"source":"AFFECTED_FIELD"},{"cpe":"cpe:2.3:a:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*","range":[{"introduced":"5.1.0"},{"last_affected":"5.1.0"}],"source":"CPE_STRING"}]}}],"versions":["5.1.0","v5.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-5865.json"}}],"schema_version":"1.9.2","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"}]}