CVE-2017-7889 (GCVE-0-2017-7889)

Vulnerability from cvelistv5 – Published: 2017-04-17 00:00 – Updated: 2024-08-05 16:19
VLAI
Summary
The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2017-04-16 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:19:28.575Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94"
          },
          {
            "name": "USN-3583-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3583-2/"
          },
          {
            "name": "RHSA-2017:2669",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2669"
          },
          {
            "name": "RHSA-2018:1854",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:1854"
          },
          {
            "name": "USN-3583-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3583-1/"
          },
          {
            "name": "DSA-3945",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3945"
          },
          {
            "name": "97690",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/97690"
          },
          {
            "name": "RHSA-2017:2077",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2077"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2017/04/16/4"
          },
          {
            "name": "RHSA-2017:1842",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:1842"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-04-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-05T20:01:31.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94"
        },
        {
          "name": "USN-3583-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3583-2/"
        },
        {
          "name": "RHSA-2017:2669",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2669"
        },
        {
          "name": "RHSA-2018:1854",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:1854"
        },
        {
          "name": "USN-3583-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3583-1/"
        },
        {
          "name": "DSA-3945",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2017/dsa-3945"
        },
        {
          "name": "97690",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/97690"
        },
        {
          "name": "RHSA-2017:2077",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2077"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2017/04/16/4"
        },
        {
          "name": "RHSA-2017:1842",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:1842"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-7889",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94",
              "refsource": "MISC",
              "url": "https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94"
            },
            {
              "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94",
              "refsource": "MISC",
              "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94"
            },
            {
              "name": "USN-3583-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3583-2/"
            },
            {
              "name": "RHSA-2017:2669",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:2669"
            },
            {
              "name": "RHSA-2018:1854",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:1854"
            },
            {
              "name": "USN-3583-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3583-1/"
            },
            {
              "name": "DSA-3945",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-3945"
            },
            {
              "name": "97690",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/97690"
            },
            {
              "name": "RHSA-2017:2077",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:2077"
            },
            {
              "name": "http://www.openwall.com/lists/oss-security/2017/04/16/4",
              "refsource": "MISC",
              "url": "http://www.openwall.com/lists/oss-security/2017/04/16/4"
            },
            {
              "name": "RHSA-2017:1842",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:1842"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6",
              "refsource": "CONFIRM",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-7889",
    "datePublished": "2017-04-17T00:00:00.000Z",
    "dateReserved": "2017-04-16T00:00:00.000Z",
    "dateUpdated": "2024-08-05T16:19:28.575Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2017-7889",
      "date": "2026-05-25",
      "epss": "0.00031",
      "percentile": "0.09313"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"3.2.91\", \"matchCriteriaId\": \"67FEA8F8-276F-454D-AD5C-E76D8B3A95FC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.3\", \"versionEndExcluding\": \"3.10.107\", \"matchCriteriaId\": \"314F9C88-C8E1-46EF-8119-538C824ED137\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.11\", \"versionEndExcluding\": \"3.12.74\", \"matchCriteriaId\": \"75647580-464B-4AEF-8DE2-F17D1748F182\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.13\", \"versionEndExcluding\": \"3.16.46\", \"matchCriteriaId\": \"C21D8DE7-A83C-4010-8DC6-FAAECB47D229\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.17\", \"versionEndExcluding\": \"3.18.50\", \"matchCriteriaId\": \"853F13A0-776A-4078-B05B-7C1E20D4973D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.19\", \"versionEndExcluding\": \"4.1.41\", \"matchCriteriaId\": \"9019BEC9-FE77-4506-A019-B8B4D8BCEBAE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"4.4.63\", \"matchCriteriaId\": \"16332D79-B98D-4D8D-BEA8-C1815D93CA8B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.5\", \"versionEndExcluding\": \"4.9.24\", \"matchCriteriaId\": \"9035A20D-ECBA-4959-8F7F-EF1BFE41A7AF\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.10\", \"versionEndExcluding\": \"4.10.12\", \"matchCriteriaId\": \"59CCD4BB-9F0D-405F-B1DD-ACEDF5BB2EDD\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*\", \"matchCriteriaId\": \"CB66DB75-2B16-4EBF-9B93-CE49D8086E41\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\", \"matchCriteriaId\": \"815D70A8-47D3-459C-A32C-9FEACA0659D1\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.\"}, {\"lang\": \"es\", \"value\": \"El subsistema mm en el kernel de Linux hasta la versi\\u00f3n 3.2 no aplica adecuadamente el mecanismo de protecci\\u00f3n CONFIG_STRICT_DEVMEM, lo que permite a usuarios locales leer o escribir en ubicaciones de la memoria del kernel en el primer megabyte (y eludir restricciones de acceso de asignaci\\u00f3n de slab) a trav\\u00e9s de una aplicaci\\u00f3n que abre el archivo /dev/mem, relacionado con arch/x86/mm/init.c y drivers/char/mem.c\"}]",
      "id": "CVE-2017-7889",
      "lastModified": "2024-11-21T03:32:54.003",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2017-04-17T00:59:00.203",
      "references": "[{\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.debian.org/security/2017/dsa-3945\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2017/04/16/4\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/97690\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:1842\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:2077\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:2669\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:1854\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3583-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3583-2/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.debian.org/security/2017/dsa-3945\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2017/04/16/4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/97690\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:1842\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:2077\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2017:2669\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:1854\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3583-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3583-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-732\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-7889\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2017-04-17T00:59:00.203\",\"lastModified\":\"2026-05-13T00:24:29.033\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.\"},{\"lang\":\"es\",\"value\":\"El subsistema mm en el kernel de Linux hasta la versi\u00f3n 3.2 no aplica adecuadamente el mecanismo de protecci\u00f3n CONFIG_STRICT_DEVMEM, lo que permite a usuarios locales leer o escribir en ubicaciones de la memoria del kernel en el primer megabyte (y eludir restricciones de acceso de asignaci\u00f3n de slab) a trav\u00e9s de una aplicaci\u00f3n que abre el archivo /dev/mem, relacionado con arch/x86/mm/init.c y drivers/char/mem.c\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-732\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.2.91\",\"matchCriteriaId\":\"67FEA8F8-276F-454D-AD5C-E76D8B3A95FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3\",\"versionEndExcluding\":\"3.10.107\",\"matchCriteriaId\":\"314F9C88-C8E1-46EF-8119-538C824ED137\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.11\",\"versionEndExcluding\":\"3.12.74\",\"matchCriteriaId\":\"75647580-464B-4AEF-8DE2-F17D1748F182\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.13\",\"versionEndExcluding\":\"3.16.46\",\"matchCriteriaId\":\"C21D8DE7-A83C-4010-8DC6-FAAECB47D229\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.17\",\"versionEndExcluding\":\"3.18.50\",\"matchCriteriaId\":\"853F13A0-776A-4078-B05B-7C1E20D4973D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.19\",\"versionEndExcluding\":\"4.1.41\",\"matchCriteriaId\":\"9019BEC9-FE77-4506-A019-B8B4D8BCEBAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"4.4.63\",\"matchCriteriaId\":\"16332D79-B98D-4D8D-BEA8-C1815D93CA8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.24\",\"matchCriteriaId\":\"9035A20D-ECBA-4959-8F7F-EF1BFE41A7AF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.10.12\",\"matchCriteriaId\":\"59CCD4BB-9F0D-405F-B1DD-ACEDF5BB2EDD\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"CB66DB75-2B16-4EBF-9B93-CE49D8086E41\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2017/dsa-3945\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2017/04/16/4\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/97690\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1842\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2077\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2669\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:1854\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3583-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3583-2/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2017/dsa-3945\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2017/04/16/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/97690\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1842\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2077\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2669\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:1854\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3583-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3583-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.