Vulnerability-Lookup

GHSA-56P3-HM9H-Q26V

Vulnerability from github – Published: 2026-03-02 15:31 – Updated: 2026-03-02 18:31

Details

An issue has been identified in Arm C1-Pro before r1p2-50eac0, where, under certain conditions, a TLBI+DSB might fail to ensure the completion of memory accesses related to SME.

Severity ?

3.6 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-0995"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-02T15:16:31Z",
    "severity": "LOW"
  },
  "details": "An issue has been identified in Arm C1-Pro before r1p2-50eac0, where, under certain conditions, a TLBI+DSB might fail to ensure the completion of memory accesses related to SME.",
  "id": "GHSA-56p3-hm9h-q26v",
  "modified": "2026-03-02T18:31:41Z",
  "published": "2026-03-02T15:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0995"
    },
    {
      "type": "WEB",
      "url": "https://developer.arm.com/documentation/111823"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-0995 (GCVE-0-2026-0995)

Vulnerability from cvelistv5 – Published: 2026-03-02 14:52 – Updated: 2026-03-02 16:16

Summary

An issue has been identified in Arm C1-Pro before r1p2-50eac0, where, under certain conditions, a TLBI+DSB might fail to ensure the completion of memory accesses related to SME.

Severity ?

3.6 (Low)


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

CWE

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

Assigner

Arm

References

URL

Tags

https://developer.arm.com/documentation/111823

Impacted products

	Vendor	Product	Version
	Arm	C1 Pro	Affected: 0 , < r1p2-50eac0 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "LOW",
              "baseScore": 3.6,
              "baseSeverity": "LOW",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-0995",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-02T16:14:24.107940Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-02T16:16:02.649Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "C1 Pro",
          "vendor": "Arm",
          "versions": [
            {
              "lessThan": "r1p2-50eac0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2026-03-02T14:41:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAn issue has been identified in Arm C1-Pro before r1p2-50eac0, where, under certain conditions, a TLBI+DSB might fail to ensure the completion of memory accesses related to SME.\u003c/p\u003e"
            }
          ],
          "value": "An issue has been identified in Arm C1-Pro before r1p2-50eac0, where, under certain conditions, a TLBI+DSB might fail to ensure the completion of memory accesses related to SME."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-362",
              "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-02T14:52:55.859Z",
        "orgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
        "shortName": "Arm"
      },
      "references": [
        {
          "url": "https://developer.arm.com/documentation/111823"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
    "assignerShortName": "Arm",
    "cveId": "CVE-2026-0995",
    "datePublished": "2026-03-02T14:52:55.859Z",
    "dateReserved": "2026-01-15T15:26:49.754Z",
    "dateUpdated": "2026-03-02T16:16:02.649Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-56P3-HM9H-Q26V

CVE-2026-0995 (GCVE-0-2026-0995)

Tags

Sightings

Nomenclature