{"schema":"threatline.record/2","record":{"id":"CVE-2026-109587","aliases":["GHSA-pv9j-rq42-3fjc"],"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.\n\n\n\nTo remediate this issue, users should upgrade to version V11.3.2 or later.","categories":["Unclassified"],"product":"FreeRTOS-Kernel","vendor":"FreeRTOS","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109587","source_modified_at":"2026-10-20T15:16:10.707Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"FreeRTOS-Kernel","vendor":"FreeRTOS","versions":[{"status":"affected","version":"11.3.0","lessThanOrEqual":"11.3.1","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00138,"percentile":0.02864,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:08:07.685Z","modified_at":"2026-10-20T15:16:10.707Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109587","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T15:16:10.707Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109587","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V11.3.2","tags":["release-notes","patch"]},{"source":"CVE List","url":"https://aws.amazon.com/security/security-bulletins/2026-138-aws/","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/FreeRTOS/FreeRTOS-Kernel/security/advisories/GHSA-pv9j-rq42-3fjc","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-20T15:14:49.090767Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T15:16:10.707Z","content_hash":"47520208e4c9a31d23960efa5e4e1b38ff09fb6ef9f25191983d891b007f6efd"}}