How severe is CVE-2025-5866?

CVE-2025-5866 has a CVSS v3 score of 8 (HIGH).

CVE-2025-5866

Name: rt-thread
Author: rt-thread

8.0HIGH

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

发布于: 6/9/2025更新于: 7/11/2025

描述

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.

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受影响产品

rt-threadrt-thread

5.1.0

参考资料

https://github.com/RT-Thread/rt-thread/issues/10300
ExploitIssue TrackingThird Party Advisory
https://vuldb.com/?ctiid.311625
Permissions RequiredVDB Entry
https://vuldb.com/?id.311625
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.584127
Third Party AdvisoryVDB Entry