CVE-2025-5866
RT-Thread lwp_syscall.c sys_sigprocmask array index
- State
- Published
- Severity
- 8.6 High
- Published
- Jun 9, 2025
- Updated
- Jun 9, 2025
- Reserved
- Jun 8, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulDB |
| 3.1 | 8.0 High | 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 | VulDB |
| 3.0 | 8.0 High | 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 | VulDB |
| 2.0 | 7.4 High | AV:A/AC:M/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
RT-Threadn/a |
|
References
- VDB-311625 | RT-Thread lwp_syscall.c sys_sigprocmask array indexvdb-entrytechnical-description
- VDB-311625 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #584127 | RT-Thread 5.1.0 Improper Handling of Parametersthird-party-advisory
- https://github.com/RT-Thread/rt-thread/issues/10300issue-tracking
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