Vulnerability details

CVE-2025-0647

Arm C1-PremiumArm C1-UltraArm Cortex-A710Arm Cortex-X2Arm Cortex-X3Arm Cortex-X4

CVSS 3.1

7.9High

Official 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 scores

Score	Version	Source	Vector
7.9High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
Arm	C1-Premium	All	CVEProject cvelistV5 (CNA)
Arm	C1-Ultra	All	CVEProject cvelistV5 (CNA)
Arm	Cortex-A710	All	CVEProject cvelistV5 (CNA)
Arm	Cortex-X2	All	CVEProject cvelistV5 (CNA)
Arm	Cortex-X3	All	CVEProject cvelistV5 (CNA)
Arm	Cortex-X4	All	CVEProject cvelistV5 (CNA)
Arm	Cortex-X925	All	CVEProject cvelistV5 (CNA)
Arm	Neoverse N2	All	CVEProject cvelistV5 (CNA)
Arm	Neoverse V3	All	CVEProject cvelistV5 (CNA)
Arm	Neoverse V3AE	All	CVEProject cvelistV5 (CNA)
Arm	Neoverse-V2	All	CVEProject cvelistV5 (CNA)

References and advisories

https://developer.arm.com/documentation/111546
https://graph.volerion.com/view?ID=CVE-2025-0647 third-party-advisory

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Details

Published: 2026-01-14
Last updated: 2026-01-20
State: Published
Assigner (CNA): Arm

Exploit prediction (EPSS)

0.16%

Probability of exploitation in 30 days

5.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-226
Sensitive Information in Resource Not Removed Before Reuse