cnvd - cnvd-2018-24483

cnvd-2018-24483

Vulnerability from cnvd

Title: Linux kernel空指针解引用漏洞（CNVD-2018-24483）

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 4.17.10及之前版本中的fs/hfsplus/dir.c文件的‘hfsplus_lookup()’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。

Severity: 高

Patch Name: Linux kernel空指针解引用漏洞（CNVD-2018-24483）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 4.17.10及之前版本中的fs/hfsplus/dir.c文件的‘hfsplus_lookup()’函数存在安全漏洞。攻击者可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:

厂商已发布漏洞修复程序，请及时关注更新： https://www.spinics.net/lists/linux-fsdevel/msg130021.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-14617

Impacted products

Name
Linux kernel <=4.17.10

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-14617"
    }
  },
  "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 4.17.10\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/hfsplus/dir.c\u6587\u4ef6\u7684\u2018hfsplus_lookup()\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\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://www.spinics.net/lists/linux-fsdevel/msg130021.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-24483",
  "openTime": "2018-12-03",
  "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 4.17.10\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/hfsplus/dir.c\u6587\u4ef6\u7684\u2018hfsplus_lookup()\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2018-24483\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c=4.17.10"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-14617",
  "serverity": "\u9ad8",
  "submitTime": "2018-07-27",
  "title": "Linux kernel\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2018-24483\uff09"
}

CVE-2018-14617 (GCVE-0-2018-14617)

Vulnerability from cvelistv5

Published

2018-07-27 04:00

Modified

2024-08-05 09:29

Severity ?

CWE

Summary

An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.

References

▼	URL	Tags
	https://usn.ubuntu.com/3821-1/	vendor-advisory, x_refsource_UBUNTU
	http://www.securityfocus.com/bid/104917	vdb-entry, x_refsource_BID
	https://www.spinics.net/lists/linux-fsdevel/msg130021.html	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/3821-2/	vendor-advisory, x_refsource_UBUNTU
	https://bugzilla.kernel.org/show_bug.cgi?id=200297	x_refsource_MISC
	https://www.debian.org/security/2018/dsa-4308	vendor-advisory, x_refsource_DEBIAN
	https://usn.ubuntu.com/4094-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4118-1/	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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