CVE-2015-8709 (GCVE-0-2015-8709)

Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 08:29 Disputed
VLAI
Summary
kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://lkml.org/lkml/2015/12/25/71 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://marc.info/?l=linux-kernel&m=145204641422813&w=2 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2015/12/31/5 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2015/1… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://marc.info/?l=linux-kernel&m=145204362722256&w=2 mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/79899 vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034899 vdb-entryx_refsource_SECTRACK
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://bugzilla.redhat.com/show_bug.cgi?id=1295287 x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3434 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2015-12-17 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T08:29:20.934Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "SUSE-SU-2016:1038",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html"
          },
          {
            "name": "SUSE-SU-2016:1033",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html"
          },
          {
            "name": "SUSE-SU-2016:1034",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html"
          },
          {
            "name": "[linux-kernel] 20151226 [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2015/12/25/71"
          },
          {
            "name": "SUSE-SU-2016:1035",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html"
          },
          {
            "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://marc.info/?l=linux-kernel\u0026m=145204641422813\u0026w=2"
          },
          {
            "name": "SUSE-SU-2016:1764",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html"
          },
          {
            "name": "SUSE-SU-2016:1031",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html"
          },
          {
            "name": "SUSE-SU-2016:1019",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html"
          },
          {
            "name": "[oss-security] 20151231 Re: CVE Request: Linux kernel: privilege escalation in user namespaces",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/12/31/5"
          },
          {
            "name": "[oss-security] 20151217 CVE Request: Linux kernel: privilege escalation in user namespaces",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/12/17/12"
          },
          {
            "name": "SUSE-SU-2016:1037",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html"
          },
          {
            "name": "SUSE-SU-2016:1045",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html"
          },
          {
            "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://marc.info/?l=linux-kernel\u0026m=145204362722256\u0026w=2"
          },
          {
            "name": "FEDORA-2016-5d43766e33",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html"
          },
          {
            "name": "SUSE-SU-2016:1032",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html"
          },
          {
            "name": "SUSE-SU-2016:1039",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html"
          },
          {
            "name": "SUSE-SU-2016:1041",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html"
          },
          {
            "name": "SUSE-SU-2016:1046",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html"
          },
          {
            "name": "79899",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/79899"
          },
          {
            "name": "1034899",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1034899"
          },
          {
            "name": "openSUSE-SU-2016:1008",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295287"
          },
          {
            "name": "DSA-3434",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3434"
          },
          {
            "name": "SUSE-SU-2016:1040",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-12-17T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call.  NOTE: the vendor states \"there is no kernel bug here."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-03T18:57:01.000Z",
        "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
        "shortName": "debian"
      },
      "references": [
        {
          "name": "SUSE-SU-2016:1038",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html"
        },
        {
          "name": "SUSE-SU-2016:1033",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html"
        },
        {
          "name": "SUSE-SU-2016:1034",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html"
        },
        {
          "name": "[linux-kernel] 20151226 [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lkml.org/lkml/2015/12/25/71"
        },
        {
          "name": "SUSE-SU-2016:1035",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html"
        },
        {
          "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://marc.info/?l=linux-kernel\u0026m=145204641422813\u0026w=2"
        },
        {
          "name": "SUSE-SU-2016:1764",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html"
        },
        {
          "name": "SUSE-SU-2016:1031",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html"
        },
        {
          "name": "SUSE-SU-2016:1019",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html"
        },
        {
          "name": "[oss-security] 20151231 Re: CVE Request: Linux kernel: privilege escalation in user namespaces",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/12/31/5"
        },
        {
          "name": "[oss-security] 20151217 CVE Request: Linux kernel: privilege escalation in user namespaces",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/12/17/12"
        },
        {
          "name": "SUSE-SU-2016:1037",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html"
        },
        {
          "name": "SUSE-SU-2016:1045",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html"
        },
        {
          "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://marc.info/?l=linux-kernel\u0026m=145204362722256\u0026w=2"
        },
        {
          "name": "FEDORA-2016-5d43766e33",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html"
        },
        {
          "name": "SUSE-SU-2016:1032",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html"
        },
        {
          "name": "SUSE-SU-2016:1039",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html"
        },
        {
          "name": "SUSE-SU-2016:1041",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html"
        },
        {
          "name": "SUSE-SU-2016:1046",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html"
        },
        {
          "name": "79899",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/79899"
        },
        {
          "name": "1034899",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1034899"
        },
        {
          "name": "openSUSE-SU-2016:1008",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295287"
        },
        {
          "name": "DSA-3434",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3434"
        },
        {
          "name": "SUSE-SU-2016:1040",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html"
        }
      ],
      "tags": [
        "disputed"
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@debian.org",
          "ID": "CVE-2015-8709",
          "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": "** DISPUTED ** kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call.  NOTE: the vendor states \"there is no kernel bug here.\""
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "SUSE-SU-2016:1038",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html"
            },
            {
              "name": "SUSE-SU-2016:1033",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html"
            },
            {
              "name": "SUSE-SU-2016:1034",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html"
            },
            {
              "name": "[linux-kernel] 20151226 [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
              "refsource": "MLIST",
              "url": "https://lkml.org/lkml/2015/12/25/71"
            },
            {
              "name": "SUSE-SU-2016:1035",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html"
            },
            {
              "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
              "refsource": "MLIST",
              "url": "http://marc.info/?l=linux-kernel\u0026m=145204641422813\u0026w=2"
            },
            {
              "name": "SUSE-SU-2016:1764",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html"
            },
            {
              "name": "SUSE-SU-2016:1031",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html"
            },
            {
              "name": "SUSE-SU-2016:1019",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html"
            },
            {
              "name": "[oss-security] 20151231 Re: CVE Request: Linux kernel: privilege escalation in user namespaces",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/12/31/5"
            },
            {
              "name": "[oss-security] 20151217 CVE Request: Linux kernel: privilege escalation in user namespaces",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/12/17/12"
            },
            {
              "name": "SUSE-SU-2016:1037",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html"
            },
            {
              "name": "SUSE-SU-2016:1045",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html"
            },
            {
              "name": "[linux-kernel] 20160106 Re: [PATCH] ptrace: being capable wrt a process requires mapped uids/gids",
              "refsource": "MLIST",
              "url": "http://marc.info/?l=linux-kernel\u0026m=145204362722256\u0026w=2"
            },
            {
              "name": "FEDORA-2016-5d43766e33",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html"
            },
            {
              "name": "SUSE-SU-2016:1032",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html"
            },
            {
              "name": "SUSE-SU-2016:1039",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html"
            },
            {
              "name": "SUSE-SU-2016:1041",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html"
            },
            {
              "name": "SUSE-SU-2016:1046",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html"
            },
            {
              "name": "79899",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/79899"
            },
            {
              "name": "1034899",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1034899"
            },
            {
              "name": "openSUSE-SU-2016:1008",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1295287",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295287"
            },
            {
              "name": "DSA-3434",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2016/dsa-3434"
            },
            {
              "name": "SUSE-SU-2016:1040",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
    "assignerShortName": "debian",
    "cveId": "CVE-2015-8709",
    "datePublished": "2016-02-08T02:00:00.000Z",
    "dateReserved": "2015-12-31T00:00:00.000Z",
    "dateUpdated": "2024-08-06T08:29:20.934Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2015-8709",
      "date": "2026-05-28",
      "epss": "0.00059",
      "percentile": "0.18601"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-8709\",\"sourceIdentifier\":\"security@debian.org\",\"published\":\"2016-02-08T03:59:05.887\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[{\"sourceIdentifier\":\"security@debian.org\",\"tags\":[\"disputed\"]}],\"descriptions\":[{\"lang\":\"en\",\"value\":\"kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call.  NOTE: the vendor states \\\"there is no kernel bug here.\"},{\"lang\":\"es\",\"value\":\"** DISPUTADA ** kernel/ptrace.c en el kernel de Linux hasta la versi\u00f3n 4.4.1 no maneja correctamente el mapeo uid y gid, lo que permite a usuarios locales obtener privilegios estableciendo un espacio de nombres de usuario, a la espera de un proceso root para entrar ese espacio de nombres con un uid o gid inseguro, y despu\u00e9s utilizando la llamada al sistema ptrace. NOTA: el vendedor afirma \\\"no hay ning\u00fan error en el kernel aqu\u00ed\\\".\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":6.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.4.1\",\"matchCriteriaId\":\"EDD97C46-E284-47DB-B96A-3B8D5013F2F7\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html\",\"source\":\"security@debian.org\"},{\"url\":\"http://marc.info/?l=linux-kernel\u0026m=145204362722256\u0026w=2\",\"source\":\"security@debian.org\"},{\"url\":\"http://marc.info/?l=linux-kernel\u0026m=145204641422813\u0026w=2\",\"source\":\"security@debian.org\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3434\",\"source\":\"security@debian.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/12/17/12\",\"source\":\"security@debian.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/12/31/5\",\"source\":\"security@debian.org\"},{\"url\":\"http://www.securityfocus.com/bid/79899\",\"source\":\"security@debian.org\"},{\"url\":\"http://www.securitytracker.com/id/1034899\",\"source\":\"security@debian.org\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1295287\",\"source\":\"security@debian.org\"},{\"url\":\"https://lkml.org/lkml/2015/12/25/71\",\"source\":\"security@debian.org\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=linux-kernel\u0026m=145204362722256\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?l=linux-kernel\u0026m=145204641422813\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3434\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/12/17/12\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2015/12/31/5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/79899\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id/1034899\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1295287\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lkml.org/lkml/2015/12/25/71\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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.