CVE-2026-109587

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Source
https://cve.org/CVERecord?id=CVE-2026-109587
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109587.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-109587
Aliases
  • GHSA-pv9j-rq42-3fjc
Published
2026-10-16T17:08:07Z
Modified
2026-10-24T02:48:40Z
Severity
  • 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS Calculator
Summary
Incorrect authorization in the Arm Cortex-R82 MPU port in FreeRTOS-Kernel
Details

Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port in FreeRTOS-Kernel V11.3.0 and V11.3.1 might allow an unprivileged task on MPU-enabled builds to read and write privileged kernel memory outside the regions assigned to it, via a buffer argument passed to an MPU system call.

To remediate this issue, users should upgrade to version V11.3.2 or later.

Database specific 
{
    "cna_assigner":  "AMZN",
    "cwe_ids":  [
        "CWE-863"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109587.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "11.3.0"
                        },
                        {
                            "last_affected":  "11.3.1"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        },
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "11.3.0"
                        },
                        {
                            "last_affected":  "11.3.1"
                        }
                    ],
                    "source":  "CPE_FIELD",
                    "strategy":  "CPEApplicability"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/freertos/freertos-kernel

Affected ranges

Type
GIT
Repo
https://github.com/freertos/freertos-kernel
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8a59a4b19bf72977819feddef87d41163ced7004
Database specific
Show details 
{
    "extracted_events":  [
        {
            "original_tag":  "V11.3.2",
            "range":  [
                {
                    "fixed":  "8a59a4b19bf72977819feddef87d41163ced7004"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

V10.*
V10.3.0-kernel-only
V10.3.1-kernel-only
V10.4.0-kernel-only
V10.4.1-kernel-only
V10.4.2
V10.4.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109587.json"