by Kastro
Paper/Archive/CVE-2025-5868

CVE-2025-5868

VulDB — RT-Thread lwp_syscall.c sys_thread_sigprocmask array index

EPSS 1%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 65.0.650 × 2013.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sys_thread_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.

Affected

ProductAffectedFixed inSource
RT-Thread5.1.0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)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
VulDB (CNA)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:R
VulDB (CNA)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:R
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

writeupvuldb.com/?id.311627refvuldb.com/?ctiid.311627writeupvuldb.com/?submit.584130refgithub.com/RT-Thread/rt-thread/issues/10303