Vulnerability-Lookup

GHSA-X9C8-763W-495X

Vulnerability from github – Published: 2026-06-09 12:32 – Updated: 2026-06-09 18:30

Details

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.

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2025-10263"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-09T10:16:33Z",
    "severity": "CRITICAL"
  },
  "details": "Arm C1-Ultra, C1-Premium, Neoverse V3 \u0026 V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 \u0026 X1C, Cortex-A710, Cortex-A78, A78AE \u0026 A78C, Cortex-A77, Cortex-A76 \u0026 A76A may allow writes to resources owned by a higher exception level.",
  "id": "GHSA-x9c8-763w-495x",
  "modified": "2026-06-09T18:30:37Z",
  "published": "2026-06-09T12:32:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-10263"
    },
    {
      "type": "WEB",
      "url": "https://developer.arm.com/documentation/112137"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/09/13"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-493.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-10263 (GCVE-0-2025-10263)

Vulnerability from cvelistv5 – Published: 2026-06-09 09:23 – Updated: 2026-06-09 16:53

Summary

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

Arm

References

3 references

URL	Tags
https://developer.arm.com/documentation/112137
http://xenbits.xen.org/xsa/advisory-493.html
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

20 products

Vendor	Product	Version
Arm	C1-Ultra	Affected: 0
Arm	C1-Premium	Affected: 0
Arm	Neoverse V3	Affected: 0
Arm	Neoverse V3AE	Affected: 0
Arm	Neoverse V1	Affected: 0
Arm	Neoverse N2	Affected: 0
Arm	Neoverse N1	Affected: 0
Arm	Cortex-X925	Affected: 0
Arm	Cortex-X4	Affected: 0
Arm	Cortex-X3	Affected: 0
Arm	Cortex-X2	Affected: 0
Arm	Cortex-X1	Affected: 0
Arm	Cortex-X1C	Affected: 0
Arm	Cortex-A710	Affected: 0
Arm	Cortex-A78	Affected: 0
Arm	Cortex-A78AE	Affected: 0
Arm	Cortex-A78C	Affected: 0
Arm	Cortex-A77	Affected: 0
Arm	Cortex-A76	Affected: 0
Arm	Cortex-A76AE	Affected: 0

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        "providerMetadata": {
          "dateUpdated": "2026-06-09T16:53:49.813Z",
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          },
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-09T14:11:21.775441Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-06-09T14:11:48.257Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              "version": "0"
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          "versions": [
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          "versions": [
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            }
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Cortex-X1",
          "vendor": "Arm",
          "versions": [
            {
              "status": "affected",
              "version": "0"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Cortex-X1C",
          "vendor": "Arm",
          "versions": [
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              "status": "affected",
              "version": "0"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Cortex-A710",
          "vendor": "Arm",
          "versions": [
            {
              "status": "affected",
              "version": "0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
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          "vendor": "Arm",
          "versions": [
            {
              "status": "affected",
              "version": "0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
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          "vendor": "Arm",
          "versions": [
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              "version": "0"
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          "defaultStatus": "unaffected",
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              "version": "0"
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          "defaultStatus": "unaffected",
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          "vendor": "Arm",
          "versions": [
            {
              "status": "affected",
              "version": "0"
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          "defaultStatus": "unaffected",
          "product": "Cortex-A76",
          "vendor": "Arm",
          "versions": [
            {
              "status": "affected",
              "version": "0"
            }
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        },
        {
          "defaultStatus": "unaffected",
          "product": "Cortex-A76AE",
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              "version": "0"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-X9C8-763W-495X

CVE-2025-10263 (GCVE-0-2025-10263)

Tags

Sightings

Nomenclature