Vulnerability details

CVE-2025-5865

RT-Thread

RT-Thread Parameter lwp_syscall.c sys_select memory corruption

CVSS 4.0

8.6High

Official description

A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that "[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory."

CVSS scores

Score	Version	Source	Vector
8.6High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.0High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C`
8.0High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C`
7.7High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:A/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C`

Affected products

Vendor	Product	Versions	Source
—	RT-Thread	5.1.0	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.311624 vdb-entrytechnical-description
https://vuldb.com/?ctiid.311624 signaturepermissions-required
https://vuldb.com/?submit.584124 third-party-advisory
https://github.com/RT-Thread/rt-thread/issues/10298#issuecomment-2894952150 issue-tracking
https://github.com/RT-Thread/rt-thread/issues/10298 issue-tracking

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Details

Published: 2025-06-09
Last updated: 2025-06-09
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.96%

Probability of exploitation in 30 days

61.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-119
Memory Corruption