cnvd - cnvd-2019-41708

cnvd-2019-41708

Vulnerability from cnvd

Title: Linux kernel资源管理错误漏洞（CNVD-2019-41708）

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 5.3.11之前版本中的drivers/net/ethernet/mellanox/mlx5/core/health.c文件的‘mlx5_fw_fatal_reporter_dump()’函数存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。攻击者可利于该漏洞通过触发mlx5_crdump_collect（）导致拒绝服务（内存消耗）。

Severity: 高

Patch Name: Linux kernel资源管理错误漏洞（CNVD-2019-41708）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。

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://github.com/torvalds/linux/commit/c7ed6d0183d5ea9bc31bcaeeba4070bd62546471

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-19047

Impacted products

Name
Linux Linux kernel <5.3.11

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19047"
    }
  },
  "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\n\nLinux kernel 5.3.11\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/net/ethernet/mellanox/mlx5/core/health.c\u6587\u4ef6\u7684\u2018mlx5_fw_fatal_reporter_dump()\u2019\u51fd\u6570\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5bf9\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u5185\u5b58\u3001\u78c1\u76d8\u7a7a\u95f4\u3001\u6587\u4ef6\u7b49\uff09\u7684\u7ba1\u7406\u4e0d\u5f53\u3002 \u653b\u51fb\u8005\u53ef\u5229\u4e8e\u8be5\u6f0f\u6d1e\u901a\u8fc7\u89e6\u53d1mlx5_crdump_collect\uff08\uff09\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6d88\u8017\uff09\u3002",
  "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://github.com/torvalds/linux/commit/c7ed6d0183d5ea9bc31bcaeeba4070bd62546471",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-41708",
  "openTime": "2019-11-20",
  "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 5.3.11\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/net/ethernet/mellanox/mlx5/core/health.c\u6587\u4ef6\u7684\u2018mlx5_fw_fatal_reporter_dump()\u2019\u51fd\u6570\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5bf9\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u5185\u5b58\u3001\u78c1\u76d8\u7a7a\u95f4\u3001\u6587\u4ef6\u7b49\uff09\u7684\u7ba1\u7406\u4e0d\u5f53\u3002 \u653b\u51fb\u8005\u53ef\u5229\u4e8e\u8be5\u6f0f\u6d1e\u901a\u8fc7\u89e6\u53d1mlx5_crdump_collect\uff08\uff09\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6d88\u8017\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\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2019-41708\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c5.3.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19047",
  "serverity": "\u9ad8",
  "submitTime": "2019-11-20",
  "title": "Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2019-41708\uff09"
}

CVE-2019-19047 (GCVE-0-2019-19047)

Vulnerability from cvelistv5

Published

2019-11-18 05:23

Modified

2024-08-05 02:09

Severity ?

CWE

Summary

A memory leak in the mlx5_fw_fatal_reporter_dump() function in drivers/net/ethernet/mellanox/mlx5/core/health.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_crdump_collect() failures, aka CID-c7ed6d0183d5.

References

▼	URL	Tags
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11	x_refsource_MISC
	https://github.com/torvalds/linux/commit/c7ed6d0183d5ea9bc31bcaeeba4070bd62546471	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20191205-0001/	x_refsource_CONFIRM
	https://usn.ubuntu.com/4225-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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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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