gsd-2021-26338
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
Aliases
Aliases



{
   GSD: {
      alias: "CVE-2021-26338",
      description: "Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.",
      id: "GSD-2021-26338",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-26338.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
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      osvSchema: {
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         details: "Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.",
         id: "GSD-2021-26338",
         modified: "2023-12-13T01:23:33.616213Z",
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         affects: {
            vendor: {
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                  {
                     product: {
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                              product_name: "2nd Gen AMD EPYC™",
                              version: {
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         cve: {
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               ID: "CVE-2021-26338",
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            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
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                           lang: "en",
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            references: {
               reference_data: [
                  {
                     name: "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021",
                     refsource: "MISC",
                     tags: [
                        "Vendor Advisory",
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                     url: "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "COMPLETE",
                  baseScore: 7.8,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:C",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 6.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "HIGH",
               userInteractionRequired: false,
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            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
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         },
         lastModifiedDate: "2022-10-24T16:12Z",
         publishedDate: "2021-11-16T18:15Z",
      },
   },
}


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Sightings

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Nomenclature

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