RT-Thread lwp_syscall.c sys_timer_settime information disclosure
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-284.
Summary
A vulnerability classified as problematic was found in RT-Thread up to 5.1.0. Affected by this vulnerability is the function sys_device_close/sys_device_control/sys_device_find/sys_device_init/sys_device_open/sys_device_read/sys_device_register/sys_device_write/sys_event_delete/sys_event_recv/sys_event_send/sys_mb_delete/sys_mb_recv/sys_mb_send/sys_mb_send_wait/sys_mq_recv/sys_mq_send/sys_mq_urgent/sys_mutex_delete/sys_mutex_release/sys_mutex_take/sys_rt_timer_control/sys_rt_timer_delete/sys_rt_timer_start/sys_rt_timer_stop/sys_sem_delete/sys_sem_release/sys_sem_take/sys_shmat/sys_shmdt/sys_thread_create/sys_thread_delete/sys_thread_startup/sys_timer_delete/sys_timer_gettime/sys_timer_settime of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument arg[0] leads to information disclosure. An attack has to be approached locally.
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; 5.1 | — | No fix listed | CNA |
- RT-Thread Vendor— Affected 5.0; 5.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1115
- 2026-10-03 Alias added: GHSA-4ch9-xrp7-23v7
References
More Rt-thread vulnerabilities
- TI-2024-16722 A buffer overflow occurs in utilities/rt-link/src/rtlink.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.8
- TI-2025-05294 RT-Thread lwp_syscall.c sys_sigprocmask array index CVSS 4.0HIGH 8.6
- TI-2025-05293 RT-Thread Parameter lwp_syscall.c sys_select memory corruption CVSS 4.0HIGH 8.6
- TI-2024-16718 A stack buffer overflow occurs in libc/posix/ipc/mqueue.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.4
- TI-2024-16717 A heap buffer overflow occurs in finsh/msh_file.c and finsh/msh.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.4
- TI-2024-16715 drivers/wlan/wlan_mgmt,c in RT-Thread through 5.0.2 has an integer signedness error and resultant buffer overflow. CVSS 3.1HIGH 8.4
Sources
- CVE-2025-1115 · CVE Program
- CVE-2025-1115 · NVD
- FIRST EPSS
- GHSA-4ch9-xrp7-23v7 · GitHub Advisory Database · CC BY 4.0
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