CVE-2025-5868: RT-Thread lwp_syscall.c sys_thread_sigprocmask array index
Description
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. Eine Schwachstelle wurde in RT-Thread 5.1.0 entdeckt. Sie wurde als kritisch eingestuft. Dies betrifft die Funktion sys_thread_sigprocmask der Datei rt-thread/components/lwp/lwp_syscall.c. Durch Manipulieren des Arguments how mit unbekannten Daten kann eine improper validation of array index-Schwachstelle ausgenutzt werden.
Classification
CVE ID: CVE-2025-5868
CVSS Base Severity: HIGH
CVSS Base Score: 8.0
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
Vendor: n/a
Product: RT-Thread
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 7.14% (scored less or equal to compared to others)
EPSS Date: 2025-06-26 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-5868https://vuldb.com/?id.311627
https://vuldb.com/?ctiid.311627
https://vuldb.com/?submit.584130
https://github.com/RT-Thread/rt-thread/issues/10303