A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-17438 A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 12 Jul 2025 22:45:00 +0900

Type Values Removed Values Added
Metrics epss

{'score': 0.00036}

epss

{'score': 0.00182}


Sat, 12 Jul 2025 03:30:00 +0900

Type Values Removed Values Added
First Time appeared Rt-thread
Rt-thread rt-thread
CPEs cpe:2.3:o:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*
Vendors & Products Rt-thread
Rt-thread rt-thread

Fri, 11 Jul 2025 22:45:00 +0900

Type Values Removed Values Added
Metrics epss

{'score': 0.00031}

epss

{'score': 0.00036}


Mon, 09 Jun 2025 23:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 09 Jun 2025 16:15:00 +0900

Type Values Removed Values Added
Description A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.
Title RT-Thread lwp_syscall.c sys_sigprocmask array index
Weaknesses CWE-119
CWE-129
References
Metrics cvssV2_0

{'score': 7.4, 'vector': 'AV:A/AC:M/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV4_0

{'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/E:X'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-06-09T13:38:00.468Z

Reserved: 2025-06-08T17:36:29.825Z

Link: CVE-2025-5866

cve-icon Vulnrichment

Updated: 2025-06-09T13:37:07.804Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-09T07:15:22.947

Modified: 2025-07-11T18:19:58.213

Link: CVE-2025-5866

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T18:16:30Z

Weaknesses