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CVE-2015-3290

Status: ModifiedHigh (7.2)—Exploit
Severity7.2High · CVSS 2.0
Exploitation probability1.10 %higher than 65% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitAvailablePublished on Exploit-DB

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window.

CVSS

Base score
7.2
Version
2.0
Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
1.10 %
Percentile among all scored CVEs
65
Score date
10/20/2026

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).

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Affected technologies (1)

Linux — Linux Kernel

CWEs

References

Show 30 references

Raw JSON (NVD)

Show
{
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          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
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          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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  "descriptions": [
    {
      "lang": "en",
      "value": "arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en arch/x86/entry/entry_64.S en el kernel de Linux en versiones anteriores a 4.1.6 en la plataforma x86_64, confía indebidamente en espfix64 durante el procesamiento anidado de NMI, lo que permite a usuarios locales obtener privilegios al desencadenar una NMI dentro de una cierta ventana de instrucción."
    }
  ],
  "lastModified": "2026-06-17T00:25:40.780",
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