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: 0.000 (0.3th 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)
References
- https://github.com/camelot-os/sentry-kernel/security/advisories/GHSA-5hgv-rg2f-79pg (x_refsource_CONFIRM)
- https://github.com/camelot-os/sentry-kernel/pull/108 (x_refsource_MISC)
- https://github.com/camelot-os/sentry-kernel/commit/150b7edd2c5b0da0a8baeed3135ddde613b08081 (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.