Vulnerability-Lookup

CNVD-2016-02777

Vulnerability from cnvd - Published: 2016-05-06

Title

Linux kernel争用条件拒绝服务漏洞（CNVD-2016-02777）

Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 3.13-rc4-next-20131218之前的版本存在争用条件拒绝服务漏洞，本地攻击者可利用该漏洞通过在关闭tty进程期间建立一个新的tty进程造成拒绝服务。

Severity

低

Patch Name

Linux kernel争用条件拒绝服务漏洞（CNVD-2016-02777）的补丁

Patch Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 3.13-rc4-next-20131218之前的版本存在争用条件拒绝服务漏洞，本地攻击者可利用该漏洞通过在关闭tty进程期间建立一个新的tty进程造成拒绝服务。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

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://www.openwall.com/lists/oss-security/2015/05/26/1

Reference

http://www.openwall.com/lists/oss-security/2015/05/26/1

Impacted products

Name
Linux Kernel <3.13-rc4-next-20131218

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2015-4170"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.13-rc4-next-20131218\u4e4b\u524d\u7684\u7248\u672c\u5b58\u5728\u4e89\u7528\u6761\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5728\u5173\u95edtty\u8fdb\u7a0b\u671f\u95f4\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684tty\u8fdb\u7a0b\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Wade Mealing",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://www.openwall.com/lists/oss-security/2015/05/26/1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02777",
  "openTime": "2016-05-06",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.13-rc4-next-20131218\u4e4b\u524d\u7684\u7248\u672c\u5b58\u5728\u4e89\u7528\u6761\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5728\u5173\u95edtty\u8fdb\u7a0b\u671f\u95f4\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684tty\u8fdb\u7a0b\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\u4e89\u7528\u6761\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-02777\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c3.13-rc4-next-20131218"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2015/05/26/1",
  "serverity": "\u4f4e",
  "submitTime": "2016-05-05",
  "title": "Linux kernel\u4e89\u7528\u6761\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-02777\uff09"
}

CVE-2015-4170 (GCVE-0-2015-4170)

Vulnerability from cvelistv5 – Published: 2016-05-02 10:00 – Updated: 2024-08-06 06:04

Summary

Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1218879	x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/cf872776…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2015/05/26/1	mailing-listx_refsource_MLIST
https://www.kernel.org/pub/linux/kernel/next/patc…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2016:1395	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/74820	vdb-entryx_refsource_BID

Date Public

2015-05-26 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.

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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.

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CNVD-2016-02777

CVE-2015-4170 (GCVE-0-2015-4170)

Tags

Sightings

Nomenclature

Related by attack behaviour