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CVE-2017-8925

Status: ModifiedMedium (5.5)—
Severity5.5Medium · CVSS 3.0
Exploitation probability0.42 %higher than 35% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling.

CVSS

Base score
5.5
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.42 %
Percentile among all scored CVEs
35
Score date
10/23/2026

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 (2)

Debian — Debian LinuxLinux — Linux Kernel

CWEs

References

Show 10 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2017-8925",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV30": [
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        "cvssData": {
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
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            }
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  "published": "2017-05-12T21:29:00.237",
  "references": [
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    {
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      "tags": [
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        "Vendor Advisory"
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      "source": "cve@mitre.org"
    },
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      "tags": [
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      "source": "cve@mitre.org"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://github.com/torvalds/linux/commit/30572418b445d85fcfe6c8fe84c947d2606767d8",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling."
    },
    {
      "lang": "es",
      "value": "La función omninet_open en drivers/usb/serial/omninet.c en kernel de Linux anterior a 4.10.4 permite a los usuarios locales causar una denegación de servicio (agotamiento de tty) aprovechando el manejo incorrecto del contador de referencia."
    }
  ],
  "lastModified": "2026-06-17T01:27:12.687",
  "configurations": [
    {
      "nodes": [
        {
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              "vulnerable": true,
              "matchCriteriaId": "6ED8EA80-4953-4664-BF7B-1F35D965EA2A",
              "versionEndIncluding": "4.10.3"
            }
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          "operator": "OR"
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    },
    {
      "nodes": [
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}