What is CVE-2026-40337?

CVE-2026-40337 is a medium-severity vulnerability in Camelot-os Sentry-kernel, classified under CWE-283. CVSS score: 5.1/10. Published 2026-04-18.

How severe is CVE-2026-40337?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Camelot-os Sentry-kernel

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_* sysc…

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H.

Affected products

Camelot-os Sentry-kernel — versions < 0.4.7

Weakness classification (CWE)

CWE-283

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40337?: CVE-2026-40337 is a medium-severity vulnerability in Camelot-os Sentry-kernel, classified under CWE-283. CVSS score: 5.1/10. Published 2026-04-18.
How severe is CVE-2026-40337?: Medium severity. CVSS v3 base score is 5.1 out of 10.