cnvd - cnvd-2017-36476

cnvd-2017-36476

Vulnerability from cnvd

Title: Linux kernel拒绝服务漏洞（CNVD-2017-36476）

Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

Linux kernel 4.2之前的版本中的crypto/rng.c文件的‘rngapi_reset’函数存在拒绝服务漏洞。攻击者利用该漏洞造成拒绝服务（空指针逆向引用）。

Severity: 中

Patch Name: Linux kernel拒绝服务漏洞（CNVD-2017-36476）的补丁

Patch Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

Linux kernel 4.2之前的版本中的crypto/rng.c文件的‘rngapi_reset’函数存在拒绝服务漏洞。攻击者利用该漏洞造成拒绝服务（空指针逆向引用）。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1485815

Impacted products

Name
Linux kernel <4.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15116"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684crypto/rng.c\u6587\u4ef6\u7684\u2018rngapi_reset\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002",
  "discovererName": "Herbert Xu \u003cherbert@gondor.apana.org.au\u003e",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-36476",
  "openTime": "2017-12-07",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684crypto/rng.c\u6587\u4ef6\u7684\u2018rngapi_reset\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\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-2017-36476\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.2"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1485815",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-04",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-36476\uff09"
}

CVE-2017-15116 (GCVE-0-2017-15116)

Vulnerability from cvelistv5

Published

2017-11-30 18:00

Modified

2024-08-05 19:50

Severity ?

CWE

null pointer dereference

Summary

The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1485815	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=1514609	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2018:1062	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2018:0676	vendor-advisory, x_refsource_REDHAT
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6	x_refsource_MISC
	https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6	x_refsource_MISC

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:15.583Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1485815"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1514609"
          },
          {
            "name": "RHSA-2018:1062",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:1062"
          },
          {
            "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": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Linux kernel"
            }
          ]
        }
      ],
      "datePublic": "2017-11-30T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "null pointer dereference",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-04-11T09:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1485815"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1514609"
        },
        {
          "name": "RHSA-2018:1062",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:1062"
        },
        {
          "name": "RHSA-2018:0676",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0676"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-15116",
    "datePublished": "2017-11-30T18:00:00",
    "dateReserved": "2017-10-08T00:00:00",
    "dateUpdated": "2024-08-05T19:50:15.583Z",
    "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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