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CVE-2025-5866
Published: Jun 9, 2025
Modified: Jun 9, 2025
PUBLISHED
CVSS v3.1
8.0
HIGH
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | RT-Thread | affected 5.1.0 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
References
VDB-311625 | RT-Thread lwp_syscall.c sys_sigprocmask array index
vdb-entry
technical-description
VDB-311625 | CTI Indicators (IOB, IOC, IOA)
signature
permissions-required
Submit #584127 | RT-Thread 5.1.0 Improper Handling of Parameters
third-party-advisory
https://github.com/RT-Thread/rt-thread/issues/10300
issue-tracking
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