CVE-2026-14607

RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption

Assigner: VulDB
Reserved: 03.07.2026 Published: 03.07.2026 Updated: 03.07.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
CVSS Score: 5.5

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
CVSS Score: 5.5

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.0

CVSS Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR
CVSS Score: 4.6

Access Vector	Local	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	None
Authentication	Single	Availability Impact	Complete

CVSS 2.0

Product Status

Vendor	n/a
Product	RT-Thread
Versions	Version 5.0.0 is affected Version 5.0.1 is affected Version 5.0.2 is affected

Vendor

n/a

Product

RT-Thread

Versions

Version 5.0.0 is affected
Version 5.0.1 is affected
Version 5.0.2 is affected

Credits

Zephyr Saxon (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types