nvd-json-data-feeds/CVE-2023/CVE-2023-26xx/CVE-2023-2640.json

{
  "id": "CVE-2023-2640",
  "sourceIdentifier": "security@ubuntu.com",
  "published": "2023-07-26T02:15:09.300",
  "lastModified": "2023-08-03T15:10:48.043",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "On Ubuntu kernels carrying both c914c0e27eb0 and \"UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs\", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks."
    }
  ],
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      },
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          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
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          "integrityImpact": "HIGH",
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          "baseSeverity": "HIGH"
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        "exploitabilityScore": 1.8,
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      }
    ]
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      "description": [
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          "value": "CWE-863"
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      "source": "security@ubuntu.com",
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      "description": [
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          "lang": "en",
          "value": "CWE-863"
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            {
              "vulnerable": true,
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  "references": [
    {
      "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640",
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.html",
      "source": "security@ubuntu.com",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://ubuntu.com/security/notices/USN-6250-1",
      "source": "security@ubuntu.com",
      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "https://wiz.io/blog/ubuntu-overlayfs-vulnerability",
      "source": "security@ubuntu.com",
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        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ]
    }
  ]
}