Vulnerability-Lookup

CNVD-2019-36854

Vulnerability from cnvd - Published: 2019-10-23

Title

Xen Linux kernel资源管理错误漏洞

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。Xen是英国剑桥大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.12.x及之前版本中的Linux kernel 5.2.3之前版本的drivers/xen/balloon.c文件存在资源管理错误漏洞，攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Xen Linux kernel资源管理错误漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3

Reference

https://xenbits.xen.org/xsa/advisory-300.html https://github.com/torvalds/linux/commit/6ef36ab967c71690ebe7e5ef997a8be4da3bc844 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3 https://nvd.nist.gov/vuln/detail/CVE-2019-17351

Impacted products

Name
['Linux kernel <5.2.3', 'Xen Xen <=4.12.*']

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JSON

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    "cve": {
      "cveNumber": "CVE-2019-17351"
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  "number": "CNVD-2019-36854",
  "openTime": "2019-10-23",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen 4.12.x\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Linux kernel 5.2.3\u4e4b\u524d\u7248\u672c\u7684drivers/xen/balloon.c\u6587\u4ef6\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\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",
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  "serverity": "\u4e2d",
  "submitTime": "2019-10-08",
  "title": "Xen Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2019-17351 (GCVE-0-2019-17351)

Vulnerability from cvelistv5 – Published: 2019-10-08 00:00 – Updated: 2024-08-05 01:40

Summary

An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
http://xenbits.xen.org/xsa/advisory-300.html	x_refsource_CONFIRM
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…	x_refsource_MISC
https://xenbits.xen.org/xsa/advisory-300.html	x_refsource_MISC
https://github.com/torvalds/linux/commit/6ef36ab9…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/10/25/9	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019103…	x_refsource_CONFIRM
https://usn.ubuntu.com/4286-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4286-1/	vendor-advisoryx_refsource_UBUNTU

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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.