github - ghsa-3635-87f7-gfgj

ghsa-3635-87f7-gfgj

Vulnerability from github

Published

2022-05-13 01:50

Modified

2022-05-13 01:50

Severity ?

8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-19966"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-436"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-12-08T04:29:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.",
  "id": "GHSA-3635-87f7-gfgj",
  "modified": "2022-05-13T01:50:55Z",
  "published": "2022-05-13T01:50:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19966"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4369"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-280.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/106182"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2018-19966

Vulnerability from cvelistv5

Published

2018-12-08 04:00

Modified

2024-08-05 11:51

Severity ?

Summary

References

▼	URL	Tags
	https://www.debian.org/security/2019/dsa-4369	vendor-advisory, x_refsource_DEBIAN
	https://xenbits.xen.org/xsa/advisory-280.html	x_refsource_MISC
	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
	https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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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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