FKIE_CVE-2023-2593

Vulnerability from fkie_nvd - Published: 2025-07-30 16:15 - Updated: 2025-11-20 18:15
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw exists within the Linux kernel's handling of new TCP connections. The issue results from the lack of memory release after its effective lifetime. This vulnerability allows an unauthenticated attacker to create a denial of service condition on the system.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-2593
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2384787
secalert@redhat.comhttps://lore.kernel.org/lkml/CAH2r5msyEy20e=FBx6wPWWc3kXzNR4b+zHshSqidRdFKVf_7Jg@mail.gmail.com/
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw exists within the Linux kernel\u0027s handling of new TCP connections. The issue results from the lack of memory release after its effective lifetime. This vulnerability allows an unauthenticated attacker to create a denial of service condition on the system."
    },
    {
      "lang": "es",
      "value": "Existe una falla en el manejo de nuevas conexiones TCP por parte del kernel de Linux. El problema se debe a la falta de liberaci\u00f3n de memoria tras su vida \u00fatil. Esta vulnerabilidad permite a un atacante no autenticado crear una condici\u00f3n de denegaci\u00f3n de servicio en el sistema."
    }
  ],
  "id": "CVE-2023-2593",
  "lastModified": "2025-11-20T18:15:46.597",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-30T16:15:25.980",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2023-2593"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2384787"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://lore.kernel.org/lkml/CAH2r5msyEy20e=FBx6wPWWc3kXzNR4b+zHshSqidRdFKVf_7Jg@mail.gmail.com/"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.