CVE-2025-5868

RT-Thread lwp_syscall.c sys_thread_sigprocmask array index

Published Jun 9, 2025 CVSS 4.0 · 8.6 High EPSS 1.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-17441 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00036}

epss

{'score': 0.00137}

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
Type Values Removed Values Added
Metrics epss

{'score': 0.00031}

epss

{'score': 0.00036}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title RT-Thread lwp_syscall.c sys_thread_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 9, 2025, 6:08 PM
Reserved
Jun 8, 2025, 5:36 PM
Status
Analyzed
Published
Jun 9, 2025, 8:15 AM
Modified
Jun 17, 2026, 9:48 AM