fkie_cve-2023-30456
Vulnerability from fkie_nvd
Published
2023-04-10 02:15
Modified
2025-03-19 16:15
Severity ?
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.
References
cve@mitre.orghttp://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8Patch
cve@mitre.orghttps://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5Release Notes
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20230511-0007/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5Release Notes
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230511-0007/
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.3
linux linux_kernel 6.3


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4896FE8F-5B9C-4C1A-89A7-F70F795F0DD7",
              "versionEndExcluding": "6.2.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4."
    }
  ],
  "id": "CVE-2023-30456",
  "lastModified": "2025-03-19T16:15:22.280",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2023-04-10T02:15:06.853",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.netapp.com/advisory/ntap-20230511-0007/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20230511-0007/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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