CVE-2007-3739

Status: ModifiedMedium (4.7)—
mm/mmap.c in the hugetlb kernel, when run on PowerPC systems, does not prevent stack expansion from entering into reserved kernel page memory, which allows local users to cause a denial of service (OOPS) via unspecified vectors.
CVSS

Version: 2.0
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Base score: 4.7
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.38%
Percentile among all scored CVEs: 30
Score date: 10/15/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)

Redhat — Enterprise Linux
CWEs

CWE-119, CWE-399
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2007-3739",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.7,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "affected": [
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      "affectedData": [
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          "versions": [
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              "version": "n/a"
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  ],
  "published": "2007-09-14T01:17:00.000",
  "references": [
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      "url": "http://lkml.org/lkml/2007/1/29/180",
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    {
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    {
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      "url": "http://secunia.com/advisories/23955",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "mm/mmap.c in the hugetlb kernel, when run on PowerPC systems, does not prevent stack expansion from entering into reserved kernel page memory, which allows local users to cause a denial of service (OOPS) via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "mm/mmap.c en el núcleo hugetlb, cuando se ejecuta en un sistema PowerP, no evita que la expansión de la pila entre en una página de memoria reservada por el núcleo, lo cual permite a usuarios locales provocar una denegación de servicio (OOPS) mediante vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:42:38.190",
  "configurations": [
    {
      "nodes": [
        {
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  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1.",
      "lastModified": "2007-10-18T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}