CVE-2026-40337 — Denial of Service
CVE-2026-40337 — The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the __sys_int_* syscall familly. Prior to version 0.4.7, this ca
What This Means For You
- If your environment is affected by CWE-283, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40337 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Kernel Task Interaction via __sys_int_* Syscall — CVE-2026-40337
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40337 | vulnerability | CVE-2026-40337 |
| CWE-283 | weakness | CWE-283 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 18, 2026 at 03:16 UTC |
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