cnvd - cnvd-2015-04952

CNVD-2015-04952

Vulnerability from cnvd - Published: 2015-07-21

Title

Linux kvm_apic_has_events()函数空指针引用漏洞

Description

Linux Kernel是一款开源的操作系统。 Linux Kernel kvm_apic_has_events()函数存在空指针引用漏洞，允许可访问/dev/kvm的用户使系统崩溃。

Severity

中

Patch Name

Linux kvm_apic_has_events()函数空指针引用漏洞的补丁

Patch Description

Linux Kernel是一款开源的操作系统。Linux Kernel kvm_apic_has_events()函数存在空指针引用漏洞，允许可访问/dev/kvm的用户使系统崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009

Impacted products

Name
Linux Kernel

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-4692"
    }
  },
  "description": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux Kernel kvm_apic_has_events()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u53ef\u8bbf\u95ee/dev/kvm\u7684\u7528\u6237\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002",
  "discovererName": "Linux",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04952",
  "openTime": "2015-07-21",
  "patchDescription": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Linux Kernel kvm_apic_has_events()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u53ef\u8bbf\u95ee/dev/kvm\u7684\u7528\u6237\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kvm_apic_has_events()\u51fd\u6570\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-18",
  "title": "Linux kvm_apic_has_events()\u51fd\u6570\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2015-4692 (GCVE-0-2015-4692)

Vulnerability from cvelistv5 – Published: 2015-07-27 10:00 – Updated: 2024-08-06 06:18

Summary

The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.openwall.com/lists/oss-security/2015/06/21/1	mailing-listx_refsource_MLIST
	http://www.ubuntu.com/usn/USN-2680-1	vendor-advisoryx_refsource_UBUNTU
	http://www.ubuntu.com/usn/USN-2682-1	vendor-advisoryx_refsource_UBUNTU
	https://bugzilla.redhat.com/show_bug.cgi?id=1230770	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/ce40cd3f…	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://www.debian.org/security/2015/dsa-3329	vendor-advisoryx_refsource_DEBIAN
	http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://www.ubuntu.com/usn/USN-2684-1	vendor-advisoryx_refsource_UBUNTU
	http://www.ubuntu.com/usn/USN-2681-1	vendor-advisoryx_refsource_UBUNTU
	http://www.ubuntu.com/usn/USN-2683-1	vendor-advisoryx_refsource_UBUNTU
	http://www.securityfocus.com/bid/75142	vdb-entryx_refsource_BID
	http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1032798	vdb-entryx_refsource_SECTRACK
	http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T06:18:12.182Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20150620 Re: CVE request -- Linux kernel - kvm: x86: NULL pointer dereference in kvm_apic_has_events function",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/06/21/1"
          },
          {
            "name": "USN-2680-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2680-1"
          },
          {
            "name": "USN-2682-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2682-1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1230770"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
          },
          {
            "name": "SUSE-SU-2015:1324",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html"
          },
          {
            "name": "DSA-3329",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3329"
          },
          {
            "name": "FEDORA-2015-10678",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161144.html"
          },
          {
            "name": "openSUSE-SU-2015:1382",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html"
          },
          {
            "name": "USN-2684-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2684-1"
          },
          {
            "name": "USN-2681-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2681-1"
          },
          {
            "name": "USN-2683-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2683-1"
          },
          {
            "name": "75142",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/75142"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
          },
          {
            "name": "1032798",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1032798"
          },
          {
            "name": "FEDORA-2015-10677",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160829.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-06-20T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-09-21T09:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[oss-security] 20150620 Re: CVE request -- Linux kernel - kvm: x86: NULL pointer dereference in kvm_apic_has_events function",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/06/21/1"
        },
        {
          "name": "USN-2680-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2680-1"
        },
        {
          "name": "USN-2682-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2682-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1230770"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
        },
        {
          "name": "SUSE-SU-2015:1324",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html"
        },
        {
          "name": "DSA-3329",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2015/dsa-3329"
        },
        {
          "name": "FEDORA-2015-10678",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161144.html"
        },
        {
          "name": "openSUSE-SU-2015:1382",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html"
        },
        {
          "name": "USN-2684-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2684-1"
        },
        {
          "name": "USN-2681-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2681-1"
        },
        {
          "name": "USN-2683-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2683-1"
        },
        {
          "name": "75142",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/75142"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
        },
        {
          "name": "1032798",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1032798"
        },
        {
          "name": "FEDORA-2015-10677",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160829.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-4692",
          "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 kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20150620 Re: CVE request -- Linux kernel - kvm: x86: NULL pointer dereference in kvm_apic_has_events function",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/06/21/1"
            },
            {
              "name": "USN-2680-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2680-1"
            },
            {
              "name": "USN-2682-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2682-1"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1230770",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1230770"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
              "refsource": "CONFIRM",
              "url": "https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
            },
            {
              "name": "SUSE-SU-2015:1324",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html"
            },
            {
              "name": "DSA-3329",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2015/dsa-3329"
            },
            {
              "name": "FEDORA-2015-10678",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161144.html"
            },
            {
              "name": "openSUSE-SU-2015:1382",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html"
            },
            {
              "name": "USN-2684-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2684-1"
            },
            {
              "name": "USN-2681-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2681-1"
            },
            {
              "name": "USN-2683-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2683-1"
            },
            {
              "name": "75142",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/75142"
            },
            {
              "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
              "refsource": "CONFIRM",
              "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009"
            },
            {
              "name": "1032798",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1032798"
            },
            {
              "name": "FEDORA-2015-10677",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160829.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-4692",
    "datePublished": "2015-07-27T10:00:00",
    "dateReserved": "2015-06-19T00:00:00",
    "dateUpdated": "2024-08-06T06:18:12.182Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

CNVD-2015-04952

CVE-2015-4692 (GCVE-0-2015-4692)

Tags

Sightings

Nomenclature