CVE-2025-5865 | THREATINT

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."

Eine kritische Schwachstelle wurde in RT-Thread 5.1.0 ausgemacht. Hierbei geht es um die Funktion sys_select der Datei rt-thread/components/lwp/lwp_syscall.c der Komponente Parameter Handler. Mittels dem Manipulieren des Arguments timeout mit unbekannten Daten kann eine memory corruption-Schwachstelle ausgenutzt werden.

Reserved 2025-06-08 | Published 2025-06-09 | Updated 2025-06-09 | Assigner VulDB

HIGH: 8.6CVSS: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

HIGH: 8.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C

HIGH: 8.0CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C

7.7AV:A/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C

Problem types

Memory Corruption

Timeline

2025-06-08:	Advisory disclosed
2025-06-08:	VulDB entry created
2025-06-08:	VulDB entry last update

Credits

Zephyr Saxon (VulDB User) reporter

References

vuldb.com/?id.311624 (VDB-311624 | RT-Thread Parameter lwp_syscall.c sys_select memory corruption) vdb-entry technical-description

vuldb.com/?ctiid.311624 (VDB-311624 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.584124 (Submit #584124 | RT-Thread 5.1.0 Improper Handling of Parameters) third-party-advisory

github.com/RT-Thread/rt-thread/issues/10298 issue-tracking

cve.org (CVE-2025-5865)

nvd.nist.gov (CVE-2025-5865)

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