CVE-2011-2213 (GCVE-0-2011-2213)

Vulnerability from cvelistv5 – Published: 2011-08-29 18:00 – Updated: 2024-08-06 22:53
VLAI
Summary
The inet_diag_bc_audit function in net/ipv4/inet_diag.c in the Linux kernel before 2.6.39.3 does not properly audit INET_DIAG bytecode, which allows local users to cause a denial of service (kernel infinite loop) via crafted INET_DIAG_REQ_BYTECODE instructions in a netlink message, as demonstrated by an INET_DIAG_BC_JMP instruction with a zero yes value, a different vulnerability than CVE-2010-3880.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1070 records in the last 180 days details
References
Date Public
2011-06-01 00:00
Show details on NVD website
To clipboard 

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            "value": "La funci\u00f3n net_diag_bc_audit en net/ipv4/inet_diag.c en el Kernel de Linux anterior a v2.6.39.3 no audita adecuadamente bytecode INET_DIAG, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio a trav\u00e9s de instrucciones manipuladas INET_DIAG_REQ_BYTECODE en un mensaje netlink, como se demostr\u00f3 por una instrucci\u00f3n INET_DIAG_BC_JMP con un valor zero yes, una vulnerabilidad diferente que CVE-2010-3880."
          }
        ],
        "id": "CVE-2011-2213",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 4.9,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-08-29T18:55:01.220",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://article.gmane.org/gmane.linux.network/197206"
          },
          {
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            "tags": [
              "Broken Link"
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            "url": "http://article.gmane.org/gmane.linux.network/197208"
          },
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          },
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            ],
            "url": "http://article.gmane.org/gmane.linux.network/198809"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eeb1497277d6b1a0a34ed36b97e18f2bd7d6de0d"
          },
          {
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          },
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            "url": "http://patchwork.ozlabs.org/patch/100857/"
          },
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          },
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            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3"
          },
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            "url": "http://www.openwall.com/lists/oss-security/2011/06/20/13"
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          },
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=714536"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://article.gmane.org/gmane.linux.network/197206"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=714536"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-835"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:56:04+00:00",
      "cve": "CVE-2011-2213",
      "id": "CVE-2011-2213",
      "initial_release_date": "2011-06-01T00:00:00+00:00",
      "product_status:fixed": "124",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: inet_diag: insufficient validation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2213.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-19T00:21:43Z",
      "cve": "CVE-2011-2213",
      "id": "CVE-2011-2213",
      "initial_release_date": "2023-02-15T05:52:54Z",
      "product_status:known_affected": "0",
      "product_status:known_not_affected": "537",
      "product_status:recommended": "31",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2011-2213",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2011-2213.json",
      "version": "18"
    }
  }
}



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Sightings

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Nomenclature

  • 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.
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Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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