{
  "id": "CVE-2023-40791",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-10-16T03:15:09.273",
  "lastModified": "2023-10-19T14:20:57.327",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page."
    },
    {
      "lang": "es",
      "value": "extract_user_to_sg en lib/scatterlist.c en el kernel de Linux anterior a 6.4.12 no logra desanclar p\u00e1ginas en una situaci\u00f3n determinada, como lo demuestra una ADVERTENCIA para try_grab_page."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "6.4.12",
              "matchCriteriaId": "242396F2-761D-4B72-ABF8-090BB852BD40"
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  ],
  "references": [
    {
      "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://lkml.org/lkml/2023/8/3/323",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lore.kernel.org/linux-crypto/20571.1690369076@warthog.procyon.org.uk/",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
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    }
  ]
}