cve-2022-2196
Vulnerability from cvelistv5
Published
2023-01-09 10:59
Modified
2024-08-03 00:32
Severity ?
5.8 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
Summary
Speculative execution attacks in KVM VMX
References
cve-coordination@google.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5Mailing List, Patch, Vendor Advisory
cve-coordination@google.comhttps://kernel.dance/#2e7eab81425aPatch, Third Party Advisory
cve-coordination@google.comhttps://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing List, Third Party Advisory
Impacted products
LinuxLinux Kernel
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:32:08.645Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://security.netapp.com/advisory/ntap-20230223-0002/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://kernel.dance/#2e7eab81425a"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-2196",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-01T15:07:47.721131Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-01T15:08:01.626Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "KVM",
          "product": "Linux Kernel",
          "repo": "https://git.kernel.org/",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2e7eab81425a",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            },
            {
              "lessThan": "6.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2022-10-18T22:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eL2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn\u0027t need retpolines or IBPB\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eafter running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit\u0026nbsp;2e7eab81425a\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.\u00a0L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn\u0027t need retpolines or IBPB\u00a0after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit\u00a02e7eab81425a\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-30",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-30 Hijacking a Privileged Thread of Execution"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1188",
              "description": "CWE-1188 Insecure Default Initialization of Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-09T10:59:53.099Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://kernel.dance/#2e7eab81425a"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Speculative execution attacks in KVM VMX",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2022-2196",
    "datePublished": "2023-01-09T10:59:53.099Z",
    "dateReserved": "2022-06-24T13:29:09.969Z",
    "dateUpdated": "2024-08-03T00:32:08.645Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-2196\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2023-01-09T11:15:10.583\",\"lastModified\":\"2023-08-18T18:56:16.323\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.\u00a0L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn\u0027t need retpolines or IBPB\u00a0after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit\u00a02e7eab81425a\\n\"},{\"lang\":\"es\",\"value\":\"Existe una regresi\u00f3n en el kernel de Linux dentro de KVM: nVMX que permiti\u00f3 ataques de ejecuci\u00f3n especulativa. L2 puede llevar a cabo ataques Spectre v2 en L1 debido a que L1 piensa que no necesita retpolines o IBPB despu\u00e9s de ejecutar L2 debido a que KVM (L0) anuncia soporte eIBRS en L1. Un atacante en L2 con ejecuci\u00f3n de c\u00f3digo puede ejecutar c\u00f3digo en una rama indirecta en la m\u00e1quina host. Recomendamos actualizar al Kernel 6.2 o al commit anterior 2e7eab81425a\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.0,\"impactScore\":6.0},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\",\"baseScore\":5.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.0,\"impactScore\":4.7}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1188\"}]},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1188\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.47\",\"versionEndExcluding\":\"5.4.233\",\"matchCriteriaId\":\"D73442D9-8AEA-46EF-BDFE-A7DA3F4256CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.6.19\",\"versionEndExcluding\":\"5.7\",\"matchCriteriaId\":\"1D059EB4-CC70-4B73-A918-FCD19DD26EEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.7.3\",\"versionEndExcluding\":\"5.10.170\",\"matchCriteriaId\":\"A90F1F96-608E-46B6-848B-CAAA543D8E77\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.96\",\"matchCriteriaId\":\"0845BF9E-3498-4C4E-AE1E-2F4FD31B440E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.14\",\"matchCriteriaId\":\"E5FED97E-E13D-4287-892D-F8A8C081B5EA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://kernel.dance/#2e7eab81425a\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.