fkie_cve-2021-0929
Vulnerability from fkie_nvd
Published
2021-12-15 19:15
Modified
2024-11-21 05:43
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In ion_dma_buf_end_cpu_access and related functions of ion.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-187527909References: Upstream kernel
References
security@android.comhttps://source.android.com/security/bulletin/2021-11-01Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2021-11-01Vendor Advisory
Impacted products
Vendor Product Version
google android -


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In ion_dma_buf_end_cpu_access and related functions of ion.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-187527909References: Upstream kernel",
      },
      {
         lang: "es",
         value: "En la función ion_dma_buf_end_cpu_access y funciones relacionadas al archivo ion.c, se presenta una posible forma de corromper la memoria debido a un uso de memoria previamente liberada. Esto podría conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android. Versiones: Android kernel. ID de Android: A-187527909. Referencias: Kernel ascendente",
      },
   ],
   id: "CVE-2021-0929",
   lastModified: "2024-11-21T05:43:15.883",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "COMPLETE",
               baseScore: 7.2,
               confidentialityImpact: "COMPLETE",
               integrityImpact: "COMPLETE",
               vectorString: "AV:L/AC:L/Au:N/C:C/I:C/A:C",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 10,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-12-15T19:15:11.383",
   references: [
      {
         source: "security@android.com",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://source.android.com/security/bulletin/2021-11-01",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://source.android.com/security/bulletin/2021-11-01",
      },
   ],
   sourceIdentifier: "security@android.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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