CVE-2026-21736 (GCVE-0-2026-21736)

Vulnerability from cvelistv5 – Published: 2026-03-09 12:23 – Updated: 2026-03-09 16:06
VLAI?
Title
GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled
Summary
Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory. This is caused by improper handling of the memory protections for the user-mode wrapped memory resource.
CWE
  • CWE-280 - Improper Handling of Insufficient Permissions or Privileges
Assigner
Impacted products
Vendor Product Version
Imagination Technologies Graphics DDK Affected: 1.17 RTM (custom)
Affected: 1.18 RTM (custom)
Affected: 23.2 RTM (custom)
Affected: 24.1 RTM , ≤ 25.1 RTM (custom)
Unaffected: 25.2 RTM , ≤ 25.3 RTM (custom)
Unaffected: 26.1 RTM (custom)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 4.4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-21736",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-09T16:06:38.819665Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-09T16:06:41.667Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "platforms": [
            "Linux",
            "Android"
          ],
          "product": "Graphics DDK",
          "vendor": "Imagination Technologies",
          "versions": [
            {
              "status": "affected",
              "version": "1.17 RTM",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "1.18 RTM",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "23.2 RTM",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "25.1 RTM",
              "status": "affected",
              "version": "24.1 RTM",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "25.3 RTM",
              "status": "unaffected",
              "version": "25.2 RTM",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.1 RTM",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSoftware installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory.\u003c/p\u003e\u003cp\u003eThis is caused by improper handling of the memory\u0026nbsp;protections\u0026nbsp;for the user-mode wrapped memory resource.\u003c/p\u003e"
            }
          ],
          "value": "Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory.\n\nThis is caused by improper handling of the memory\u00a0protections\u00a0for the user-mode wrapped memory resource."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-679",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-679: Exploitation of Improperly Configured or Implemented Memory Protections"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-280",
              "description": "CWE-280: Improper Handling of Insufficient Permissions or Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-09T12:23:38.659Z",
        "orgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
        "shortName": "imaginationtech"
      },
      "references": [
        {
          "url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
    "assignerShortName": "imaginationtech",
    "cveId": "CVE-2026-21736",
    "datePublished": "2026-03-09T12:23:38.659Z",
    "dateReserved": "2026-01-05T11:57:27.258Z",
    "dateUpdated": "2026-03-09T16:06:41.667Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-21736\",\"sourceIdentifier\":\"367425dc-4d06-4041-9650-c2dc6aaa27ce\",\"published\":\"2026-03-09T13:15:56.120\",\"lastModified\":\"2026-03-10T18:46:06.370\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory.\\n\\nThis is caused by improper handling of the memory\u00a0protections\u00a0for the user-mode wrapped memory resource.\"},{\"lang\":\"es\",\"value\":\"Software instalado y ejecutado como un usuario no privilegiado puede realizar llamadas al sistema de GPU impropias para obtener permiso de escritura a memoria de modo de usuario encapsulada de solo lectura.\\n\\nEsto es causado por el manejo impropio de las protecciones de memoria para el recurso de memoria encapsulada de modo de usuario.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"367425dc-4d06-4041-9650-c2dc6aaa27ce\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-280\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:imaginationtech:ddk:25.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"27FDCFEF-64B2-4CE6-A22A-B87A827E288F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:imaginationtech:ddk:25.1:rtm2:*:*:*:*:*:*\",\"matchCriteriaId\":\"3421036F-348E-4FC2-9D25-E45C3463B23B\"}]}]}],\"references\":[{\"url\":\"https://www.imaginationtech.com/gpu-driver-vulnerabilities/\",\"source\":\"367425dc-4d06-4041-9650-c2dc6aaa27ce\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-21736\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-09T16:06:38.819665Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-09T16:06:31.993Z\"}}], \"cna\": {\"title\": \"GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-679\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-679: Exploitation of Improperly Configured or Implemented Memory Protections\"}]}], \"affected\": [{\"vendor\": \"Imagination Technologies\", \"product\": \"Graphics DDK\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.17 RTM\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1.18 RTM\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"23.2 RTM\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"24.1 RTM\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"25.1 RTM\"}, {\"status\": \"unaffected\", \"version\": \"25.2 RTM\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"25.3 RTM\"}, {\"status\": \"unaffected\", \"version\": \"26.1 RTM\", \"versionType\": \"custom\"}], \"platforms\": [\"Linux\", \"Android\"], \"defaultStatus\": \"unknown\"}], \"references\": [{\"url\": \"https://www.imaginationtech.com/gpu-driver-vulnerabilities/\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory.\\n\\nThis is caused by improper handling of the memory\\u00a0protections\\u00a0for the user-mode wrapped memory resource.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eSoftware installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory.\u003c/p\u003e\u003cp\u003eThis is caused by improper handling of the memory\u0026nbsp;protections\u0026nbsp;for the user-mode wrapped memory resource.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-280\", \"description\": \"CWE-280: Improper Handling of Insufficient Permissions or Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"367425dc-4d06-4041-9650-c2dc6aaa27ce\", \"shortName\": \"imaginationtech\", \"dateUpdated\": \"2026-03-09T12:23:38.659Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-21736\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-09T16:06:41.667Z\", \"dateReserved\": \"2026-01-05T11:57:27.258Z\", \"assignerOrgId\": \"367425dc-4d06-4041-9650-c2dc6aaa27ce\", \"datePublished\": \"2026-03-09T12:23:38.659Z\", \"assignerShortName\": \"imaginationtech\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…