FKIE_CVE-2011-1021

Vulnerability from fkie_nvd - Published: 2012-06-21 23:55 - Updated: 2026-06-16 23:28
Severity
Summary
drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.
References
secalert@redhat.comhttp://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
secalert@redhat.comhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/02/25/5
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=680841
secalert@redhat.comhttps://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3Exploit, Patch
af854a3a-2127-422b-91ae-364da2661108http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/02/25/5
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=680841
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3Exploit, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 2.6.9
linux linux_kernel 2.6.9
linux linux_kernel 2.6.9
linux linux_kernel 2.6.9
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F67EAF8E-BB91-43DF-ACD8-515FC95B0988",
              "versionEndIncluding": "2.6.9",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347."
    },
    {
      "lang": "es",
      "value": "drivers/acpi/debugfs.c en el kernel de Linux antes de v3.0 permite a usuarios locales modificar posiciones de memoria del kernel de su elecci\u00f3n aprovechandose de los privilegios de root para escribir en el archivo /sys/kernel/debug/acpi/custom_method. NOTA: esta vulnerabilidad existe debido a una soluci\u00f3n incompleta para el CVE-2010-4347."
    }
  ],
  "id": "CVE-2011-1021",
  "lastModified": "2026-06-16T23:28:34.267",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.6,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-06-21T23:55:01.897",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0"
    },
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      "tags": [
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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