CVE-2025-5868

HIGH

RT-Thread 5.1.0 - Improper Restriction of Operations within the Bounds of a Memory Buffer in sys_thread_sigprocmask

Title source: llm

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 (4)

Core 4

Core References

Third Party Advisory, VDB Entry vdb-entry technical-description

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

Permissions Required, VDB Entry signature permissions-required

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

Third Party Advisory, VDB Entry third-party-advisory

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

Exploit, Issue Tracking issue-tracking

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

Scores

CVSS v3 8.0

EPSS 0.0100

EPSS Percentile 58.0%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-129

Status published

Products (1)

rt-thread/rt-thread 5.1.0

Published Jun 09, 2025

Tracked Since Feb 18, 2026