gsd-2015-8844
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
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.
Aliases
Aliases
CVE-2015-8844


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-8844",
    "description": "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.",
    "id": "GSD-2015-8844",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-8844.html",
      "https://access.redhat.com/errata/RHSA-2016:2584",
      "https://access.redhat.com/errata/RHSA-2016:2574",
      "https://linux.oracle.com/cve/CVE-2015-8844.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-8844"
      ],
      "details": "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.",
      "id": "GSD-2015-8844",
      "modified": "2023-12-13T01:20:03.698909Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2015-8844",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
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              },
              "vendor_name": "n/a"
            }
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          }
        ]
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      "references": {
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          {
            "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5",
            "refsource": "CONFIRM",
            "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5"
          },
          {
            "name": "[oss-security] 20160413 CVE Request: Linux kernel: incorrect restoration of machine specific registers from signal handler.",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2016/04/13/1"
          },
          {
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html"
          },
          {
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            "refsource": "CONFIRM",
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
          },
          {
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            "refsource": "REDHAT",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
          },
          {
            "name": "1035594",
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          {
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            "url": "https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
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            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1326540"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.3.4",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20160413 CVE Request: Linux kernel: incorrect restoration of machine specific registers from signal handler.",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/04/13/1"
            },
            {
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              "tags": [
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              "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
            },
            {
              "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5",
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              "tags": [],
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              "url": "https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55"
            },
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              "tags": [],
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              "tags": [],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2018-01-05T02:30Z",
      "publishedDate": "2016-04-27T17:59Z"
    }
  }
}


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