CVE-2025-0647

7.9 HIGH
Published: January 14, 2026 Modified: January 26, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
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

Patch Vendor Advisory Exploit Third Party Advisory
https://developer.arm.com/documentation/111546
Source: arm-security@arm.com
Vendor Advisory
https://graph.volerion.com/view?ID=CVE-2025-0647
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.9 / 10.0
EPSS (Exploit Probability)
0.0%
1th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

arm