FKIE_CVE-2009-1527

Vulnerability from fkie_nvd - Published: 2009-05-05 20:30 - Updated: 2026-06-16 23:07
Severity
Summary
Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.
References
cve@mitre.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
cve@mitre.orghttp://secunia.com/advisories/34977Broken Link
cve@mitre.orghttp://secunia.com/advisories/35120Broken Link
cve@mitre.orghttp://wiki.rpath.com/Advisories:rPSA-2009-0084Broken Link
cve@mitre.orghttp://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4Broken Link
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2009/05/04/2Mailing List, Third Party Advisory
cve@mitre.orghttp://www.osvdb.org/54188Broken Link
cve@mitre.orghttp://www.securityfocus.com/archive/1/503610/100/0/threadedThird Party Advisory, VDB Entry
cve@mitre.orghttp://www.securityfocus.com/bid/34799Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.vupen.com/english/advisories/2009/1236Not Applicable
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/50293Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/34977Broken Link
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35120Broken Link
af854a3a-2127-422b-91ae-364da2661108http://wiki.rpath.com/Advisories:rPSA-2009-0084Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/05/04/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/54188Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/503610/100/0/threadedThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/34799Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/1236Not Applicable
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/50293Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 2.6.30
linux linux_kernel 2.6.30
linux linux_kernel 2.6.30
linux linux_kernel 2.6.30
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3871E973-1DCE-4C2D-8FF0-9330AF928297",
              "versionEndIncluding": "2.6.29",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:-:*:*:*:*:*:*",
              "matchCriteriaId": "77B40D2B-9AAA-49A4-9C74-7A94A82DBCCC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "45273823-29EA-44DE-8444-3933402C5793",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "88F60E74-09DB-4D4A-B922-4A46EED0EC20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "E242D3DE-D1DC-406A-BCC3-C4380B7EC369",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en la funci\u00f3n ptrace_attach en kernel/ptrace.c en el kernel de Linux anterior a 2.6.40-rc4 permite a usuarios locales conseguir privilegios a trav\u00e9s de la llamada PTRACE_ATTACH ptrace durante una ejecuci\u00f3n de sistema que esta lanzando una aplicacion setuid, relacionada con el incorrecto bloqueo del objeto cred_exec_mutex."
    }
  ],
  "id": "CVE-2009-1527",
  "lastModified": "2026-06-16T23:07:27.387",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2009-05-05T20:30:00.313",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/34977"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/35120"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://wiki.rpath.com/Advisories:rPSA-2009-0084"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/05/04/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.osvdb.org/54188"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/archive/1/503610/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/34799"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Not Applicable"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/1236"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/50293"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/34977"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/35120"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://wiki.rpath.com/Advisories:rPSA-2009-0084"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/05/04/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.osvdb.org/54188"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/archive/1/503610/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/34799"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/1236"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/50293"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, or Red Hat Enterprise MRG.",
      "lastModified": "2009-05-06T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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