gsd-2021-37576
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.
Aliases
Aliases
CVE-2021-37576


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-37576",
    "description": "arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.",
    "id": "GSD-2021-37576",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-37576.html",
      "https://www.debian.org/security/2021/dsa-4978",
      "https://access.redhat.com/errata/RHSA-2021:4000",
      "https://access.redhat.com/errata/RHSA-2021:3987",
      "https://access.redhat.com/errata/RHSA-2021:3814",
      "https://access.redhat.com/errata/RHSA-2021:3812",
      "https://access.redhat.com/errata/RHSA-2021:3801",
      "https://access.redhat.com/errata/RHSA-2021:3768",
      "https://access.redhat.com/errata/RHSA-2021:3766",
      "https://access.redhat.com/errata/RHSA-2021:3725",
      "https://access.redhat.com/errata/RHSA-2021:3447",
      "https://access.redhat.com/errata/RHSA-2021:3446",
      "https://access.redhat.com/errata/RHSA-2021:3444",
      "https://access.redhat.com/errata/RHSA-2021:3443",
      "https://access.redhat.com/errata/RHSA-2021:3442",
      "https://access.redhat.com/errata/RHSA-2021:3436",
      "https://ubuntu.com/security/CVE-2021-37576",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-37576.html",
      "https://linux.oracle.com/cve/CVE-2021-37576.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-37576"
      ],
      "details": "arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.",
      "id": "GSD-2021-37576",
      "modified": "2023-12-13T01:23:10.254163Z",
      "schema_version": "1.4.0"
    }
  },
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          }
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      }
    },
    "nvd.nist.gov": {
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            ],
            "operator": "OR"
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          {
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      "cve": {
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            }
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        "problemtype": {
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                  "value": "CWE-787"
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        "references": {
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              "name": "https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "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": "2023-03-01T20:15Z",
      "publishedDate": "2021-07-26T22:15Z"
    }
  }
}


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Tags
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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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