Vulnerability-Lookup

CNVD-2017-05434

Vulnerability from cnvd - Published: 2017-04-26

Title

Linux kernel mm/mempolicy.c敏感信息泄露漏洞

Description

Linux kernel是一款开源的操作系统。 Linux kernel的mm/mempolicy.c文件的set_mempolicy和mbind compat syscalls存在安全漏洞。本地攻击者可利用该漏洞提交特殊请求，获取未初始化栈敏感信息。

Severity

低

Patch Name

Linux kernel mm/mempolicy.c敏感信息泄露漏洞的补丁

Patch Description

Linux kernel是一款开源的操作系统。 Linux kernel的mm/mempolicy.c文件的set_mempolicy和mbind compat syscalls存在安全漏洞。本地攻击者可利用该漏洞提交特殊请求，获取未初始化栈敏感信息。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62

Reference

https://github.com/torvalds/linux/commit/cf01fb9985e8deb25ccf0ea54d916b8871ae0e62

Impacted products

Name
Linux Kernel <=4.10.9

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97527"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7616",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7616"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel\u7684mm/mempolicy.c\u6587\u4ef6\u7684set_mempolicy\u548cmbind compat syscalls\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\uff0c\u83b7\u53d6\u672a\u521d\u59cb\u5316\u6808\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Linux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05434",
  "openTime": "2017-04-26",
  "patchDescription": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel\u7684mm/mempolicy.c\u6587\u4ef6\u7684set_mempolicy\u548cmbind compat syscalls\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\uff0c\u83b7\u53d6\u672a\u521d\u59cb\u5316\u6808\u654f\u611f\u4fe1\u606f\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 mm/mempolicy.c\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c=4.10.9"
  },
  "referenceLink": "https://github.com/torvalds/linux/commit/cf01fb9985e8deb25ccf0ea54d916b8871ae0e62",
  "serverity": "\u4f4e",
  "submitTime": "2017-04-12",
  "title": "Linux kernel mm/mempolicy.c\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2017-7616 (GCVE-0-2017-7616)

Vulnerability from cvelistv5 – Published: 2017-04-10 14:00 – Updated: 2024-08-05 16:12

Summary

Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://source.android.com/security/bulletin/2017-09-01	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:1854	vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1038503	vdb-entryx_refsource_SECTRACK
https://github.com/torvalds/linux/commit/cf01fb99…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2077	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:1842	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/97527	vdb-entryx_refsource_BID

Date Public

2017-04-10 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.