VULNERABILITY INTELLIGENCE

CVE-2026-77237

CVSS score6.5 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-08-21
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Description

Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.

Weakness classification

  • ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-125

Primary references