gsd-2022-20421
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
In binder_inc_ref_for_node of binder.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-239630375References: Upstream kernel
Aliases
Aliases
CVE-2022-20421


To clipboard 

{
   GSD: {
      alias: "CVE-2022-20421",
      description: "In binder_inc_ref_for_node of binder.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-239630375References: Upstream kernel",
      id: "GSD-2022-20421",
      references: [
         "https://advisories.mageia.org/CVE-2022-20421.html",
         "https://www.suse.com/security/cve/CVE-2022-20421.html",
         "https://ubuntu.com/security/CVE-2022-20421",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2022-20421",
         ],
         details: "In binder_inc_ref_for_node of binder.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-239630375References: Upstream kernel",
         id: "GSD-2022-20421",
         modified: "2023-12-13T01:19:17.165021Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "security@android.com",
            ID: "CVE-2022-20421",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "Android",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "Android kernel",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
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         data_type: "CVE",
         data_version: "4.0",
         description: {
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                  value: "In binder_inc_ref_for_node of binder.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-239630375References: Upstream kernel",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "Elevation of privilege",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://source.android.com/security/bulletin/2022-10-01",
                  refsource: "MISC",
                  url: "https://source.android.com/security/bulletin/2022-10-01",
               },
               {
                  name: "DSA-5257",
                  refsource: "DEBIAN",
                  url: "https://www.debian.org/security/2022/dsa-5257",
               },
               {
                  name: "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update",
                  refsource: "MLIST",
                  url: "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
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         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "security@android.com",
               ID: "CVE-2022-20421",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "In binder_inc_ref_for_node of binder.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-239630375References: Upstream kernel",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-416",
                        },
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            },
            references: {
               reference_data: [
                  {
                     name: "https://source.android.com/security/bulletin/2022-10-01",
                     refsource: "MISC",
                     tags: [
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                     url: "https://source.android.com/security/bulletin/2022-10-01",
                  },
                  {
                     name: "DSA-5257",
                     refsource: "DEBIAN",
                     tags: [
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                     url: "https://www.debian.org/security/2022/dsa-5257",
                  },
                  {
                     name: "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update",
                     refsource: "MLIST",
                     tags: [
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                     ],
                     url: "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html",
                  },
               ],
            },
         },
         impact: {
            baseMetricV3: {
               cvssV3: {
                  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,
            },
         },
         lastModifiedDate: "2022-12-03T02:42Z",
         publishedDate: "2022-10-11T20:15Z",
      },
   },
}


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