CVEvulnerability

CVE-2026-40337

5.1 MEDIUM Published 2026-04-18 Modified 2026-10-26 Official page ↗
Status
Deferred
Published
2026-04-18
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Weaknesses
CWE-283

Description

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 can lead to DoS and covert-channels between this task and the outer world. A patch is available in version 0.4.7. As a workaround, reduce tasks that have the DEV and IO capability to a single one.

Related

Weakness · CWE (1)

  • CWE-283 Unverified Ownership weakness

References