RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | RT-Thread | 5.0.0; 5.0.1; 5.0.2 | — | No fix listed | CNA |
- RT-Thread Vendor— Affected 5.0.0; 5.0.1; 5.0.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-14607
- 2026-10-03 Alias added: GHSA-g6q3-rr42-f5h7
References
Sources
- CVE-2026-14607 · CVE Program
- CVE-2026-14607 · NVD
- FIRST EPSS
- GHSA-g6q3-rr42-f5h7 · GitHub Advisory Database · CC BY 4.0
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