fkie_cve-2016-10044
Vulnerability from fkie_nvd
Published
2017-02-07 07:59
Modified
2024-11-21 02:43
Summary
The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call.
References
security@android.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
security@android.comhttp://source.android.com/security/bulletin/2017-02-01.htmlPatch, Third Party Advisory
security@android.comhttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7Release Notes, Vendor Advisory
security@android.comhttp://www.securityfocus.com/bid/96122Third Party Advisory, VDB Entry
security@android.comhttp://www.securitytracker.com/id/1037798Third Party Advisory, VDB Entry
security@android.comhttps://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://source.android.com/security/bulletin/2017-02-01.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/96122Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037798Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
Impacted products



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  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "3.16.43",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "21856BF4-4072-4055-BA57-93D5C4608C07",
              "versionEndExcluding": "4.4.24",
              "versionStartIncluding": "3.17",
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              "versionEndExcluding": "4.7.7",
              "versionStartIncluding": "4.5",
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          "negate": false,
          "operator": "OR"
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    },
    {
      "nodes": [
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              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F11609D-D1B4-4DD6-8CC7-A224344E1E67",
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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n aio_mount en fs/aio.c en el kernel de Linux en versiones anteriores a 4.7.7 no restringe adecuadamente el acceso de ejecuci\u00f3n, lo que facilita a usuarios locales eludir restricciones de pol\u00edtica destinadas SELinux W^X, y consecuentemente obtener privilegios, a trav\u00e9s de una llamada de sistema io_setup."
    }
  ],
  "id": "CVE-2016-10044",
  "lastModified": "2024-11-21T02:43:09.190",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2017-02-07T07:59:00.293",
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  "sourceIdentifier": "security@android.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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