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.
Published: 2026-08-21
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 25 Aug 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Amazon
Amazon freertos
CPEs cpe:2.3:o:amazon:freertos:*:*:*:*:*:*:*:*
Vendors & Products Amazon
Amazon freertos

Fri, 21 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
References

Fri, 21 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 21 Aug 2026 20:00:00 +0000


Fri, 21 Aug 2026 18:15:00 +0000

Type Values Removed Values Added
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.
Title Missing type validation in xQueueAddToSet in FreeRTOS-Kernel
First Time appeared Freertos
Freertos freertos-kernel
Weaknesses CWE-125
CWE-843
CPEs cpe:2.3:a:freertos:freertos-kernel:*:*:*:*:*:*:*:*
Vendors & Products Freertos
Freertos freertos-kernel
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}


Subscriptions

Amazon Freertos
Freertos Freertos-kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-08-21T20:15:45.332Z

Reserved: 2026-08-20T18:42:40.533Z

Link: CVE-2026-77237

cve-icon Vulnrichment

Updated: 2026-08-21T20:06:13.369Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-21T18:16:51.950

Modified: 2026-08-25T16:44:12.343

Link: CVE-2026-77237

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T21:45:03Z

Weaknesses