gsd-2015-0239
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
Aliases
Aliases
CVE-2015-0239


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-0239",
    "description": "The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.",
    "id": "GSD-2015-0239",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-0239.html",
      "https://www.debian.org/security/2015/dsa-3170",
      "https://access.redhat.com/errata/RHSA-2015:2152",
      "https://access.redhat.com/errata/RHSA-2015:1272",
      "https://ubuntu.com/security/CVE-2015-0239",
      "https://advisories.mageia.org/CVE-2015-0239.html",
      "https://linux.oracle.com/cve/CVE-2015-0239.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-0239"
      ],
      "details": "The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.",
      "id": "GSD-2015-0239",
      "modified": "2023-12-13T01:19:58.323704Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2015-0239",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "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 em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
            "refsource": "MISC",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
          },
          {
            "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
            "refsource": "MISC",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"
          },
          {
            "name": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:058",
            "refsource": "MISC",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:058"
          },
          {
            "name": "http://www.debian.org/security/2015/dsa-3170",
            "refsource": "MISC",
            "url": "http://www.debian.org/security/2015/dsa-3170"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2015-1272.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2015-1272.html"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2515-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2515-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2516-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2516-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2517-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2517-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2518-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2518-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2513-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2513-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2514-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2514-1"
          },
          {
            "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050",
            "refsource": "MISC",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050"
          },
          {
            "name": "http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245",
            "refsource": "MISC",
            "url": "http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245"
          },
          {
            "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5",
            "refsource": "MISC",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2015/01/27/6",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2015/01/27/6"
          },
          {
            "name": "http://www.securityfocus.com/bid/72842",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/72842"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050",
            "refsource": "MISC",
            "url": "https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1186448",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1186448"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.18.5",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:oracle:linux:5:-:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2015-0239"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-269"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[bk-commits-head] 20150123 KVM: x86: SYSENTER emulation is broken",
              "refsource": "MLIST",
              "tags": [
                "Broken Link"
              ],
              "url": "http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050"
            },
            {
              "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5",
              "refsource": "CONFIRM",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5"
            },
            {
              "name": "[oss-security] 20150127 KVM SYSENTER emulation vulnerability - CVE-2015-0239",
              "refsource": "MLIST",
              "tags": [
                "Exploit",
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2015/01/27/6"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1186448",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1186448"
            },
            {
              "name": "USN-2518-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2518-1"
            },
            {
              "name": "USN-2515-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2515-1"
            },
            {
              "name": "USN-2516-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2516-1"
            },
            {
              "name": "USN-2517-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2517-1"
            },
            {
              "name": "72842",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/72842"
            },
            {
              "name": "USN-2514-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2514-1"
            },
            {
              "name": "USN-2513-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2513-1"
            },
            {
              "name": "DSA-3170",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.debian.org/security/2015/dsa-3170"
            },
            {
              "name": "MDVSA-2015:058",
              "refsource": "MANDRIVA",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:058"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
            },
            {
              "name": "RHSA-2015:1272",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1272.html"
            },
            {
              "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050",
              "refsource": "MISC",
              "tags": [],
              "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.4,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-02-13T00:45Z",
      "publishedDate": "2015-03-02T11:59Z"
    }
  }
}


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 seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.