CVE-2025-5865: RT-Thread Parameter lwp_syscall.c sys_select memory corruption

Published Jun 9, 2025
·
Updated

A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sysselect of the file rt-thread/components/lwp/lwpsyscall.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."

Affected Software

2 affected components
RT-Thread RT-Thread
RT-Thread RT-Thread=5.1.0

Event History

Jun 9, 2025
CVE Published
via MITRE·06:31 AM
Data Sourced
via MITRE·06:31 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 AM
DescriptionSeverityWeaknessAffected Software
Nov 18, 57496
Event
via NVD·07:49 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-5865?

CVE-2025-5865 has been rated as critical due to its potential for memory corruption.

2

How do I fix CVE-2025-5865?

To mitigate CVE-2025-5865, it is essential to update to a patched version of RT-Thread that addresses the vulnerability.

3

What is affected by CVE-2025-5865?

CVE-2025-5865 affects RT-Thread version 5.1.0 specifically in the sys_select function.

4

What type of vulnerability is CVE-2025-5865?

CVE-2025-5865 is a memory corruption vulnerability resulting from improper handling of the argument timeout.

5

Who is the vendor for CVE-2025-5865?

The vendor for CVE-2025-5865 is RT-Thread.

Contact

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