CVE-2016-6197 (GCVE-0-2016-6197)

Vulnerability from cvelistv5 – Published: 2016-08-06 20:00 – Updated: 2024-08-06 01:22
VLAI?
Summary
fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:22:20.648Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
          },
          {
            "name": "USN-3070-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3070-1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1355650"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
          },
          {
            "name": "RHSA-2016:1847",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1847.html"
          },
          {
            "name": "91709",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/91709"
          },
          {
            "name": "RHSA-2016:1875",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1875.html"
          },
          {
            "name": "USN-3070-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3070-3"
          },
          {
            "name": "1036273",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036273"
          },
          {
            "name": "USN-3070-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3070-2"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185"
          },
          {
            "name": "[oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/07/11/8"
          },
          {
            "name": "USN-3070-4",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3070-4"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-07-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-01-04T19:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
        },
        {
          "name": "USN-3070-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3070-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1355650"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
        },
        {
          "name": "RHSA-2016:1847",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-1847.html"
        },
        {
          "name": "91709",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/91709"
        },
        {
          "name": "RHSA-2016:1875",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-1875.html"
        },
        {
          "name": "USN-3070-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3070-3"
        },
        {
          "name": "1036273",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1036273"
        },
        {
          "name": "USN-3070-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3070-2"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185"
        },
        {
          "name": "[oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/07/11/8"
        },
        {
          "name": "USN-3070-4",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3070-4"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-6197",
          "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": "fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
            },
            {
              "name": "USN-3070-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3070-1"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1355650",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1355650"
            },
            {
              "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185",
              "refsource": "CONFIRM",
              "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
            },
            {
              "name": "RHSA-2016:1847",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1847.html"
            },
            {
              "name": "91709",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/91709"
            },
            {
              "name": "RHSA-2016:1875",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1875.html"
            },
            {
              "name": "USN-3070-3",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3070-3"
            },
            {
              "name": "1036273",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1036273"
            },
            {
              "name": "USN-3070-2",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3070-2"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185",
              "refsource": "CONFIRM",
              "url": "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185"
            },
            {
              "name": "[oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/07/11/8"
            },
            {
              "name": "USN-3070-4",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3070-4"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-6197",
    "datePublished": "2016-08-06T20:00:00.000Z",
    "dateReserved": "2016-07-11T00:00:00.000Z",
    "dateUpdated": "2024-08-06T01:22:20.648Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.