CVE-2025-5865

RT-Thread Parameter lwp_syscall.c sys_select memory corruption

Published Jun 9, 2025 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.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."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-17440 A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.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."
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00046}

epss

{'score': 0.00185}

Type Values Removed Values Added
First Time appeared Rt-thread
Rt-thread rt-thread
Weaknesses NVD-CWE-Other
CPEs cpe:2.3:a:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*
Vendors & Products Rt-thread
Rt-thread rt-thread
Type Values Removed Values Added
Metrics epss

{'score': 0.0004}

epss

{'score': 0.00046}

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.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."
Title RT-Thread Parameter lwp_syscall.c sys_select memory corruption
Weaknesses CWE-119
References
Metrics cvssV2_0

{'score': 7.7, 'vector': 'AV:A/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C'}

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:C'}

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:C'}

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, 1:22 PM
Reserved
Jun 8, 2025, 5:36 PM
Status
Analyzed
Published
Jun 9, 2025, 7:15 AM
Modified
Jun 17, 2026, 9:48 AM