cve-2021-29256
Vulnerability from cvelistv5
Published
2021-05-24 17:56
Modified
2025-02-04 19:44
Summary
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Impacted products
Vendor Product Version
n/a n/a Version: n/a
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2023-07-07

Due date: 2023-07-28

Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Used in ransomware: Unknown

Notes: https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities; https://nvd.nist.gov/vuln/detail/CVE-2021-29256

Show details on NVD website


{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T22:02:51.225Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  cvssV3_1: {
                     attackComplexity: "LOW",
                     attackVector: "NETWORK",
                     availabilityImpact: "HIGH",
                     baseScore: 8.8,
                     baseSeverity: "HIGH",
                     confidentialityImpact: "HIGH",
                     integrityImpact: "HIGH",
                     privilegesRequired: "LOW",
                     scope: "UNCHANGED",
                     userInteraction: "NONE",
                     vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                     version: "3.1",
                  },
               },
               {
                  other: {
                     content: {
                        id: "CVE-2021-29256",
                        options: [
                           {
                              Exploitation: "active",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "total",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2025-02-04T19:43:25.118908Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
               {
                  other: {
                     content: {
                        dateAdded: "2023-07-07",
                        reference: "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-29256",
                     },
                     type: "kev",
                  },
               },
            ],
            problemTypes: [
               {
                  descriptions: [
                     {
                        cweId: "CWE-416",
                        description: "CWE-416 Use After Free",
                        lang: "en",
                        type: "CWE",
                     },
                  ],
               },
            ],
            providerMetadata: {
               dateUpdated: "2025-02-04T19:44:44.324Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: ". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-05-24T17:56:27.000Z",
            orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            shortName: "mitre",
         },
         references: [
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2021-29256",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "n/a",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "n/a",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: ". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "n/a",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver",
                     refsource: "CONFIRM",
                     url: "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
      assignerShortName: "mitre",
      cveId: "CVE-2021-29256",
      datePublished: "2021-05-24T17:56:27.000Z",
      dateReserved: "2021-03-26T00:00:00.000Z",
      dateUpdated: "2025-02-04T19:44:44.324Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      cisa_known_exploited: {
         cveID: "CVE-2021-29256",
         cwes: "[\"CWE-416\"]",
         dateAdded: "2023-07-07",
         dueDate: "2023-07-28",
         knownRansomwareCampaignUse: "Unknown",
         notes: "https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities; https://nvd.nist.gov/vuln/detail/CVE-2021-29256",
         product: "Mali Graphics Processing Unit (GPU)",
         requiredAction: "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.",
         shortDescription: "Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that may allow a non-privileged user to gain root privilege and/or disclose information.",
         vendorProject: "Arm",
         vulnerabilityName: "Arm Mali GPU Kernel Driver Use-After-Free Vulnerability",
      },
      nvd: "{\"cve\":{\"id\":\"CVE-2021-29256\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-05-24T18:15:08.033\",\"lastModified\":\"2025-04-07T13:08:28.870\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.\"},{\"lang\":\"es\",\"value\":\"El controlador del kernel de la GPU Arm Mali, permite a un usuario no privilegiado acceder a la memoria liberada, conllevando a una divulgación de información o una escalada de privilegios de root. Esto afecta a Bifrost versiones r16p0 hasta r29p0 anteriores a r30p0, Valhall r19p0 hasta r29p0 anteriores a r30p0 y Midgard versiones r28p0 hasta r30p0\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:C/A:C\",\"baseScore\":9.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"cisaExploitAdd\":\"2023-07-07\",\"cisaActionDue\":\"2023-07-28\",\"cisaRequiredAction\":\"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.\",\"cisaVulnerabilityName\":\"Arm Mali GPU Kernel Driver Use-After-Free Vulnerability\",\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"r16p0\",\"versionEndExcluding\":\"r30p0\",\"matchCriteriaId\":\"D168CEB1-DAE6-4C9F-B101-C84CA7C0396D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"r28p0\",\"versionEndExcluding\":\"r31p0\",\"matchCriteriaId\":\"EB12C4AB-50D7-49F7-A8C3-33A8629D3C96\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"r19p0\",\"versionEndExcluding\":\"r30p0\",\"matchCriteriaId\":\"E9713B79-2EFF-49C1-8B8F-4CA969BA351E\"}]}]}],\"references\":[{\"url\":\"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T22:02:51.225Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-29256\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-04T19:43:25.118908Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2023-07-07\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-29256\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-04T19:43:12.346Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2021-05-24T17:56:27.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}, \"product_name\": \"n/a\"}]}, \"vendor_name\": \"n/a\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\", \"name\": \"https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"n/a\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-29256\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"cve@mitre.org\"}}}}",
         cveMetadata: "{\"cveId\": \"CVE-2021-29256\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-04T19:44:44.324Z\", \"dateReserved\": \"2021-03-26T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2021-05-24T17:56:27.000Z\", \"assignerShortName\": \"mitre\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.