gsd-2020-27152
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.
Aliases
Aliases
CVE-2020-27152


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-27152",
    "description": "An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.",
    "id": "GSD-2020-27152",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-27152.html",
      "https://access.redhat.com/errata/RHSA-2021:1093",
      "https://access.redhat.com/errata/RHSA-2021:1081",
      "https://ubuntu.com/security/CVE-2020-27152",
      "https://advisories.mageia.org/CVE-2020-27152.html",
      "https://linux.oracle.com/cve/CVE-2020-27152.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-27152"
      ],
      "details": "An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.",
      "id": "GSD-2020-27152",
      "modified": "2023-12-13T01:22:11.211801Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-27152",
        "STATE": "PUBLIC"
      },
      "affects": {
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
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                          "version_value": "n/a"
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          }
        ]
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      "references": {
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            "name": "https://bugzilla.kernel.org/show_bug.cgi?id=208767",
            "refsource": "MISC",
            "url": "https://bugzilla.kernel.org/show_bug.cgi?id=208767"
          },
          {
            "name": "[oss-security] 20201103 CVE-2020-27152 Kernel: KVM: host stack overflow via loop due to lazy update IOAPIC",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2020/11/03/1"
          },
          {
            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da",
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          },
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2",
            "refsource": "CONFIRM",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2"
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        ]
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    },
    "nvd.nist.gov": {
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.9.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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        "description": {
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              "value": "An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9."
            }
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        "problemtype": {
          "problemtype_data": [
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                  "value": "CWE-835"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.kernel.org/show_bug.cgi?id=208767",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "https://bugzilla.kernel.org/show_bug.cgi?id=208767"
            },
            {
              "name": "[oss-security] 20201103 CVE-2020-27152 Kernel: KVM: host stack overflow via loop due to lazy update IOAPIC",
              "refsource": "MLIST",
              "tags": [
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              ],
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            },
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              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2"
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-11-16T15:14Z",
      "publishedDate": "2020-11-06T08:15Z"
    }
  }
}


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