cnvd - cnvd-2018-03168

cnvd-2018-03168

Vulnerability from cnvd

Title: Linux kernel拒绝服务漏洞（CNVD-2018-03168）

Description:

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。

Linux kernel中的mm/hugetlb.c中的hugetlb_mcopy_atomic_pte函数存在拒绝服务漏洞。攻击者可通过VM_SHARED hugetlbfs映射的多余隐式页面解锁利用该漏洞导致本地拒绝服务。

Severity: 中

Patch Name: Linux kernel拒绝服务漏洞（CNVD-2018-03168）的补丁

Patch Description:

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。

Linux kernel中的mm/hugetlb.c中的hugetlb_mcopy_atomic_pte函数存在拒绝服务漏洞。攻击者可通过VM_SHARED hugetlbfs映射的多余隐式页面解锁利用该漏洞导致本地拒绝服务。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:

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-15127

Impacted products

Name
Linux kernel <4.13

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15127"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel\u4e2d\u7684mm/hugetlb.c\u4e2d\u7684hugetlb_mcopy_atomic_pte\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7VM_SHARED hugetlbfs\u6620\u5c04\u7684\u591a\u4f59\u9690\u5f0f\u9875\u9762\u89e3\u9501\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-03168",
  "openTime": "2018-02-11",
  "patchDescription": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel\u4e2d\u7684mm/hugetlb.c\u4e2d\u7684hugetlb_mcopy_atomic_pte\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7VM_SHARED hugetlbfs\u6620\u5c04\u7684\u591a\u4f59\u9690\u5f0f\u9875\u9762\u89e3\u9501\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u62d2\u7edd\u670d\u52a1\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 kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03168\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-15127",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-15",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03168\uff09"
}

CVE-2017-15127 (GCVE-0-2017-15127)

Vulnerability from cvelistv5

Published

2018-01-14 06:00

Modified

2024-08-05 19:50

Severity ?

CWE

CWE-460

Summary

A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).

References

▼	URL	Tags
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:1062	vendor-advisory, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1525218	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:0676	vendor-advisory, x_refsource_REDHAT
	https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2017-15127	x_refsource_MISC
	http://www.securityfocus.com/bid/102517	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	n/a	Linux kernel before 4.13	Version: Linux kernel before 4.13

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:16.370Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995"
          },
          {
            "name": "RHSA-2018:1062",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:1062"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1525218"
          },
          {
            "name": "RHSA-2018:0676",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:0676"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2017-15127"
          },
          {
            "name": "102517",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/102517"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel before 4.13",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Linux kernel before 4.13"
            }
          ]
        }
      ],
      "datePublic": "2018-01-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-460",
              "description": "CWE-460",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-05-03T09:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995"
        },
        {
          "name": "RHSA-2018:1062",
          "tags": [
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          "url": "https://access.redhat.com/errata/RHSA-2018:1062"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1525218"
        },
        {
          "name": "RHSA-2018:0676",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0676"
        },
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        },
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          ],
          "url": "https://access.redhat.com/security/cve/CVE-2017-15127"
        },
        {
          "name": "102517",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/102517"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-15127",
    "datePublished": "2018-01-14T06:00:00",
    "dateReserved": "2017-10-08T00:00:00",
    "dateUpdated": "2024-08-05T19:50:16.370Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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