fkie_cve-2015-8844
Vulnerability from fkie_nvd
Published
2016-04-27 17:59
Modified
2024-11-21 02:39
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55Vendor Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2574.html
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2584.html
cve@mitre.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/04/13/1
cve@mitre.orghttp://www.securitytracker.com/id/1035594
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1326540
cve@mitre.orghttps://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2574.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2584.html
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/04/13/1
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1035594
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1326540
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55
Impacted products
Vendor Product Version
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FB73CB50-4648-4986-92D3-7B39CFE1204C",
              "versionEndIncluding": "4.3.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n de signal en el Kernel de Linux en versiones anteriores a 4.3.5 sobre plataformas powerpc no verifica que exista un MSR con los bits S y T establecidos, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (excepci\u00f3n TM Bad Thing exception y p\u00e1nico) a trav\u00e9s de una aplicaci\u00f3n manipulada."
    }
  ],
  "id": "CVE-2015-8844",
  "lastModified": "2024-11-21T02:39:18.480",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.7,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-04-27T17:59:04.147",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
    },
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      "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
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    },
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    },
    {
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      "url": "http://www.openwall.com/lists/oss-security/2016/04/13/1"
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    {
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    {
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1326540"
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      "url": "https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
    },
    {
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      "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5"
    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1035594"
    },
    {
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    },
    {
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      "url": "https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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