{"cve":"CVE-2025-0647","nvd":{"published":"2026-01-14T11:15:50.027","modified":"2026-06-17T08:26:53.777","status":"Analyzed","description":"In certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareability domain. In this case, the PE may retain stale TLB entries which should have been invalidated by the TLBI.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","score":7.9},"cwes":["CWE-226"],"references":["https://developer.arm.com/documentation/111546","https://graph.volerion.com/view?ID=CVE-2025-0647"],"products":["arm:c1-premium_firmware","arm:c1-ultra_firmware","arm:cortex-a710_firmware","arm:cortex-x2_firmware","arm:cortex-x3_firmware","arm:cortex-x4_firmware","arm:cortex-x925_firmware","arm:neoverse-n2_firmware","arm:neoverse-v2_firmware","arm:neoverse-v3_firmware","arm:neoverse-v3ae_firmware"],"source":"nvd","synced_at":"2026-10-19T22:19:41.481987139+00:00"},"epss":{"cve":"CVE-2025-0647","score":0.00168,"percentile":0.06111,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}