CVE-2025-5868

high

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.

References

Advisories
More

https://vuldb.com/?submit.584130

https://vuldb.com/?id.311627

https://vuldb.com/?ctiid.311627

https://github.com/RT-Thread/rt-thread/issues/10303

Details

Source: Mitre, NVD

Published: 2025-06-09

Updated: 2025-07-11

Risk Information

CVSS v2

Base Score: 7.4

Vector: CVSS2#AV:A/AC:M/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 8.6

Vector: 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

Severity: High

EPSS

EPSS: 0.00025