Arm C1-Ultra

CVE-2025-10263
CRITICAL 9.1

At a glance

Source
NVD
EPSS
EPSS 0.54 % · percentile 46 ()
State
PUBLISHED
Published
Updated
Assigner
Arm
NVD status
Awaiting Analysis

Description

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

Weaknesses (CWE)

  • CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-266 — Incorrect Privilege Assignment

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP
CVSS 3.1HIGH 8.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Nredhat-SADP
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 3.1HIGH 8.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:NNVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Arm · C1-Ultraaffected 0
Arm · C1-Premiumaffected 0
Arm · Neoverse V3affected 0
Arm · Neoverse V3AEaffected 0
Arm · Neoverse V1affected 0
Arm · Neoverse N2affected 0
Arm · Neoverse N1affected 0
Arm · Cortex-X925affected 0
Arm · Cortex-X4affected 0
Arm · Cortex-X3affected 0
Arm · Cortex-X2affected 0
Arm · Cortex-X1affected 0
Arm · Cortex-X1Caffected 0
Arm · Cortex-A710affected 0
Arm · Cortex-A78affected 0
Arm · Cortex-A78AEaffected 0
Arm · Cortex-A78Caffected 0
Arm · Cortex-A77affected 0
Arm · Cortex-A76affected 0
Arm · Cortex-A76AEaffected 0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD