github - ghsa-7627-2wxq-jrmh

ghsa-7627-2wxq-jrmh

Vulnerability from github

Published

2022-05-24 17:32

Modified

2022-05-24 17:32

Severity ?

7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2020-27672"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-10-22T21:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.",
  "id": "GHSA-7627-2wxq-jrmh",
  "modified": "2022-05-24T17:32:01Z",
  "published": "2022-05-24T17:32:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27672"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202011-06"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4804"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-345.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/01/19/7"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-345.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2020-27672

Vulnerability from cvelistv5

Published

2020-10-22 20:33

Modified

2024-08-04 16:18

Severity ?

Summary

References

▼	URL	Tags
	http://xenbits.xen.org/xsa/advisory-345.html	x_refsource_CONFIRM
	https://xenbits.xen.org/xsa/advisory-345.html	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202011-06	vendor-advisory, x_refsource_GENTOO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2020/dsa-4804	vendor-advisory, x_refsource_DEBIAN
	http://www.openwall.com/lists/oss-security/2021/01/19/7	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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