cnvd - cnvd-2018-05820

cnvd-2018-05820

Vulnerability from cnvd

Title: Linux kernel fs/f2fs/extent_cache.c文件拒绝服务漏洞

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 4.13之前版本中的fs/f2fs/extent_cache.c文件存在安全漏洞。攻击者可借助带有多线程的应用程序利用该漏洞造成拒绝服务。

Severity: 低

Patch Name: Linux kernel fs/f2fs/extent_cache.c文件拒绝服务漏洞的补丁

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 4.13之前版本中的fs/f2fs/extent_cache.c文件存在安全漏洞。攻击者可借助带有多线程的应用程序利用该漏洞造成拒绝服务。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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-18193 https://www.securityfocus.com/bid/103147

Impacted products

Name
Linux Kernel <4.13

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "103147"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18193"
    }
  },
  "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 4.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/f2fs/extent_cache.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5e26\u6709\u591a\u7ebf\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Linux",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05820",
  "openTime": "2018-03-21",
  "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 4.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/f2fs/extent_cache.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5e26\u6709\u591a\u7ebf\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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 fs/f2fs/extent_cache.c\u6587\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-18193\r\nhttps://www.securityfocus.com/bid/103147",
  "serverity": "\u4f4e",
  "submitTime": "2018-02-23",
  "title": "Linux kernel fs/f2fs/extent_cache.c\u6587\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-18193 (GCVE-0-2017-18193)

Vulnerability from cvelistv5

Published

2018-02-22 15:00

Modified

2024-08-05 21:13

Severity ?

CWE

Summary

fs/f2fs/extent_cache.c in the Linux kernel before 4.13 mishandles extent trees, which allows local users to cause a denial of service (BUG) via an application with multiple threads.

References

▼	URL	Tags
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0	x_refsource_MISC
	https://usn.ubuntu.com/3654-1/	vendor-advisory, x_refsource_UBUNTU
	https://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0	x_refsource_MISC
	https://www.debian.org/security/2018/dsa-4188	vendor-advisory, x_refsource_DEBIAN
	http://www.securityfocus.com/bid/103147	vdb-entry, x_refsource_BID
	https://usn.ubuntu.com/3654-2/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/3656-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

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

Show details on NVD website

JSON

To clipboard

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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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