CVE-2025-5866CWE-119CWE-129

RT-Thread lwp_syscall.c sys_sigprocmask array index

High · published June 9, 2025

CVSS v4.0
8.6
EPSS
1%
Percentile
57.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
EPSS
0.00826 · 57.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-129 · Improper Validation of Array Index
Published
2025-06-09T07:00Z
EPSS history
Timeline
  • 09 JUN 07:00Z
    RT-Thread lwp_syscall.c sys_sigprocmask array index
    cvelistv5