A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sysselect of the file rt-thread/components/lwp/lwpsyscall.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."
{
"cwe_ids": [
"CWE-119"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5865.json"
}{
"source": [
"AFFECTED_FIELD",
"CPE_STRING"
],
"cpe": "cpe:2.3:a:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "5.1.0"
},
{
"last_affected": "5.1.0"
}
]
}