cnvd - cnvd-2017-38516

cnvd-2017-38516

Vulnerability from cnvd

Title: Linux kernel拒绝服务漏洞（CNVD-2017-38516）

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 4.14.8及之前版本中的kernel/bpf/verifier.c中的check_stack_boundary函数存在拒绝服务漏洞，该漏洞是由于程序未能正确对无效变量栈读取操作。本地攻击者可利用该漏洞导致拒绝服务。

Severity: 中

Patch Name: Linux kernel拒绝服务漏洞（CNVD-2017-38516）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 4.14.8及之前版本中的kernel/bpf/verifier.c中的check_stack_boundary函数存在拒绝服务漏洞，该漏洞是由于程序未能正确对无效变量栈读取操作。本地攻击者可利用该漏洞导致拒绝服务。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:

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=ea25f914dc164c8d56b36147ecc86bc65f83c469

Reference: http://www.openwall.com/lists/oss-security/2017/12/21/2

Impacted products

Name
Linux kernel <=4.14.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17857"
    }
  },
  "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 4.14.8\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684kernel/bpf/verifier.c\u4e2d\u7684check_stack_boundary\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5bf9\u65e0\u6548\u53d8\u91cf\u6808\u8bfb\u53d6\u64cd\u4f5c\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Jann Horn \u003cjannh@google.com\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=ea25f914dc164c8d56b36147ecc86bc65f83c469",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-38516",
  "openTime": "2017-12-29",
  "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 4.14.8\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684kernel/bpf/verifier.c\u4e2d\u7684check_stack_boundary\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5bf9\u65e0\u6548\u53d8\u91cf\u6808\u8bfb\u53d6\u64cd\u4f5c\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-38516\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c=4.14.8"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2017/12/21/2",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-25",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-38516\uff09"
}

CVE-2017-17857 (GCVE-0-2017-17857)

Vulnerability from cvelistv5

Published

2017-12-23 04:00

Modified

2024-08-05 21:06

Severity ?

CWE

Summary

The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2017/12/21/2	x_refsource_MISC
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea25f914dc164c8d56b36147ecc86bc65f83c469	x_refsource_MISC
	https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c469	x_refsource_MISC

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
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            "url": "http://www.openwall.com/lists/oss-security/2017/12/21/2"
          },
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea25f914dc164c8d56b36147ecc86bc65f83c469"
          },
          {
            "tags": [
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            ],
            "url": "https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c469"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "url": "https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c469"
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      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-17857",
          "STATE": "PUBLIC"
        },
        "affects": {
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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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