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CVE-2025-0647 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.9 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://graph.volerion.com/view?ID=CVE-2025-0647	CISA-ADP	Third Party Advisory
https://developer.arm.com/documentation/111546	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-226	Sensitive Information in Resource Not Removed Before Reuse	[email protected]

Affected Products

Product	Versions
arm c1-ultra firmware	All versions
CPE cpe:2.3:o:arm:c1-ultra_firmware:-:::::::* Remediation No remediation found in references.
arm c1-ultra	All versions
CPE cpe:2.3:h:arm:c1-ultra:-:::::::* Remediation No remediation found in references.
arm c1-premium firmware	All versions
CPE cpe:2.3:o:arm:c1-premium_firmware:-:::::::* Remediation No remediation found in references.
arm c1-premium	All versions
CPE cpe:2.3:h:arm:c1-premium:-:::::::* Remediation No remediation found in references.
arm cortex-a710 firmware	All versions
CPE cpe:2.3:o:arm:cortex-a710_firmware:-:::::::* Remediation No remediation found in references.
arm cortex-a710	All versions
CPE cpe:2.3:h:arm:cortex-a710:-:::::::* Remediation No remediation found in references.
arm cortex-x2 firmware	All versions
CPE cpe:2.3:o:arm:cortex-x2_firmware:-:::::::* Remediation No remediation found in references.
arm cortex-x2	All versions
CPE cpe:2.3:h:arm:cortex-x2:-:::::::* Remediation No remediation found in references.
arm cortex-x3 firmware	All versions
CPE cpe:2.3:o:arm:cortex-x3_firmware:-:::::::* Remediation No remediation found in references.
arm cortex-x3	All versions
CPE cpe:2.3:h:arm:cortex-x3:-:::::::* Remediation No remediation found in references.
arm cortex-x4 firmware	All versions
CPE cpe:2.3:o:arm:cortex-x4_firmware:-:::::::* Remediation No remediation found in references.
arm cortex-x4	All versions
CPE cpe:2.3:h:arm:cortex-x4:-:::::::* Remediation No remediation found in references.
arm cortex-x925 firmware	All versions
CPE cpe:2.3:o:arm:cortex-x925_firmware:-:::::::* Remediation No remediation found in references.
arm cortex-x925	All versions
CPE cpe:2.3:h:arm:cortex-x925:-:::::::* Remediation No remediation found in references.
arm neoverse-v2 firmware	All versions
CPE cpe:2.3:o:arm:neoverse-v2_firmware:-:::::::* Remediation No remediation found in references.
arm neoverse-v2	All versions
CPE cpe:2.3:h:arm:neoverse-v2:-:::::::* Remediation No remediation found in references.
arm neoverse-v3 firmware	All versions
CPE cpe:2.3:o:arm:neoverse-v3_firmware:-:::::::* Remediation No remediation found in references.
arm neoverse-v3	All versions
CPE cpe:2.3:h:arm:neoverse-v3:-:::::::* Remediation No remediation found in references.
arm neoverse-v3ae firmware	All versions
CPE cpe:2.3:o:arm:neoverse-v3ae_firmware:-:::::::* Remediation No remediation found in references.
arm neoverse-v3ae	All versions
CPE cpe:2.3:h:arm:neoverse-v3ae:-:::::::* Remediation No remediation found in references.
arm neoverse-n2 firmware	All versions
CPE cpe:2.3:o:arm:neoverse-n2_firmware:-:::::::* Remediation No remediation found in references.
arm neoverse-n2	All versions
CPE cpe:2.3:h:arm:neoverse-n2:-:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 26, 2026	Initial Analysis	[email protected]
Jan 20, 2026	CVE Modified	CISA-ADP
Jan 15, 2026	CVE Modified	CISA-ADP
Jan 14, 2026	New CVE Received	[email protected]

CVE-2025-0647 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

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Change History

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