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Status published
High
CVE-2025-5866
RT-Thread lwp_syscall.c sys_sigprocmask array index
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Zephyr Saxon (VulDB User)
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Affected Vendor
Affected Software
RT-Thread
Vulnerable Versions:
5.1.0
Timeline
Official Publish:
June 9th, 2025
Last Modified:
June 9th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
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