cnvd - cnvd-2018-03256

cnvd-2018-03256

Vulnerability from cnvd

Title: Linux kernel拒绝服务漏洞（CNVD-2018-03256）

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drivers/input/serio/i8042.c存在拒绝服务漏洞。该漏洞产生的原因是port->exists值在验证后可以更改。攻击者可利用该漏洞导致拒绝服务（空指针解引用和系统崩溃）或可能造成其他影响。

Severity: 中

Patch Name: Linux kernel拒绝服务漏洞（CNVD-2018-03256）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drivers/input/serio/i8042.c存在拒绝服务漏洞。该漏洞产生的原因是port->exists值在验证后可以更改。攻击者可利用该漏洞导致拒绝服务（空指针解引用和系统崩溃）或可能造成其他影响。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/340d394a789518018f834ff70f7534fc463d3226

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-18079

Impacted products

Name
Linux kernel <4.12.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18079"
    }
  },
  "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\u7684drivers/input/serio/i8042.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fport-\u003eexists\u503c\u5728\u9a8c\u8bc1\u540e\u53ef\u4ee5\u66f4\u6539\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\u3002",
  "discovererName": "Chen Hong",
  "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/340d394a789518018f834ff70f7534fc463d3226",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-03256",
  "openTime": "2018-02-12",
  "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\u7684drivers/input/serio/i8042.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fport-\u003eexists\u503c\u5728\u9a8c\u8bc1\u540e\u53ef\u4ee5\u66f4\u6539\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\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-2018-03256\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.12.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-18079",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-29",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03256\uff09"
}

CVE-2017-18079 (GCVE-0-2017-18079)

Vulnerability from cvelistv5

Published

2018-01-29 05:00

Modified

2024-08-05 21:13

Severity ?

CWE

Summary

drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/102895	vdb-entry, x_refsource_BID
	https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226	x_refsource_CONFIRM
	https://usn.ubuntu.com/3655-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/3655-2/	vendor-advisory, x_refsource_UBUNTU
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226	x_refsource_CONFIRM
	https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4	x_refsource_CONFIRM

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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