Description
A flaw has been found in RT-Thread up to 5.2.2. Affected is the function read/write/sys_ioctl of the file components/lwp/lwp_syscall.c of the component Parameter Handler. Executing a manipulation can lead to divide by zero. The attack may be launched remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | RT-Thread | 5.2.0, 5.2.1, 5.2.2 | — |
References
- VDB-376145 | RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero vdb-entry technical-description
- VDB-376145 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-14629 | CVE Analysis and Report third-party-advisory
- Submit #845610 | RT-Thread v5.2.2 Improper Handling of Parameters third-party-advisory
- https://github.com/RT-Thread/rt-thread/issues/11429 exploit issue-tracking
- https://github.com/RT-Thread/rt-thread/pull/11453 issue-tracking patch
- https://github.com/RT-Thread/rt-thread/ product