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.
Scores
CVSS v3
8.0
EPSS
0.0095
EPSS Percentile
76.5%
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