cnvd - cnvd-2019-07945

cnvd-2019-07945

Vulnerability from cnvd

Title: Xen拒绝服务漏洞（NVD-C-2018-132579）

Description:

Xen是一个开源虚拟机监视器，由Xen Project开发。

4.11.x及更早版本的Xen存在拒绝服务漏洞，攻击者可利用该漏洞造成拒绝服务（主机操作系统崩溃）。

Severity: 中

Patch Name: Xen拒绝服务漏洞（NVD-C-2018-132579）的补丁

Patch Description:

Xen是一个开源虚拟机监视器，由Xen Project开发。

4.11.x及更早版本的Xen存在拒绝服务漏洞，攻击者可利用该漏洞造成拒绝服务（主机操作系统崩溃）。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://xenbits.xen.org/xsa/advisory-279.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-19965

Impacted products

Name
Xen Xen <=4.11.x

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19965"
    }
  },
  "description": "Xen\u662f\u4e00\u4e2a\u5f00\u6e90\u865a\u62df\u673a\u76d1\u89c6\u5668\uff0c\u7531Xen Project\u5f00\u53d1\u3002\n\n4.11.x\u53ca\u66f4\u65e9\u7248\u672c\u7684Xen\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\uff09\u3002",
  "discovererName": "Paul Durrant, Matthew Daley, Julien Grall, the security team",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://xenbits.xen.org/xsa/advisory-279.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07945",
  "openTime": "2019-03-22",
  "patchDescription": "Xen\u662f\u4e00\u4e2a\u5f00\u6e90\u865a\u62df\u673a\u76d1\u89c6\u5668\uff0c\u7531Xen Project\u5f00\u53d1\u3002\r\n\r\n4.11.x\u53ca\u66f4\u65e9\u7248\u672c\u7684Xen\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\uff09\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": "Xen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08NVD-C-2018-132579\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Xen Xen \u003c=4.11.x"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19965",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-10",
  "title": "Xen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08NVD-C-2018-132579\uff09"
}

CVE-2018-19965 (GCVE-0-2018-19965)

Vulnerability from cvelistv5

Published

2018-12-08 04:00

Modified

2024-08-05 11:51

Severity ?

CWE

Summary

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

References

▼	URL	Tags
	https://support.citrix.com/article/CTX239432	x_refsource_CONFIRM
	https://xenbits.xen.org/xsa/advisory-279.html	x_refsource_MISC
	https://www.debian.org/security/2019/dsa-4369	vendor-advisory, x_refsource_DEBIAN
	http://www.securityfocus.com/bid/106182	vdb-entry, x_refsource_BID
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html	vendor-advisory, x_refsource_SUSE

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": "https://support.citrix.com/article/CTX239432"
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            "url": "https://xenbits.xen.org/xsa/advisory-279.html"
          },
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            "name": "DSA-4369",
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            "url": "https://www.debian.org/security/2019/dsa-4369"
          },
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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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