github - ghsa-3958-x3r2-xc87

GHSA-3958-X3R2-XC87

Vulnerability from github – Published: 2022-05-14 02:03 – Updated: 2022-05-14 02:03

Details

An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2018-7542"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-02-27T19:29:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.",
  "id": "GHSA-3958-x3r2-xc87",
  "modified": "2022-05-14T02:03:05Z",
  "published": "2022-05-14T02:03:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7542"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201810-06"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4131"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-256.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040776"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-7542 (GCVE-0-2018-7542)

Vulnerability from cvelistv5 – Published: 2018-02-27 19:00 – Updated: 2024-08-05 06:31

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://xenbits.xen.org/xsa/advisory-256.html	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201810-06	vendor-advisoryx_refsource_GENTOO
	http://www.securitytracker.com/id/1040776	vdb-entryx_refsource_SECTRACK
	https://www.debian.org/security/2018/dsa-4131	vendor-advisoryx_refsource_DEBIAN

Show details on NVD website

JSON

To clipboard

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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://xenbits.xen.org/xsa/advisory-256.html"
          },
          {
            "name": "GLSA-201810-06",
            "tags": [
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              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201810-06"
          },
          {
            "name": "1040776",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1040776"
          },
          {
            "name": "DSA-4131",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4131"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      ],
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        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
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          ],
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        },
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          ],
          "url": "https://www.debian.org/security/2018/dsa-4131"
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          "STATE": "PUBLIC"
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            },
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            },
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            },
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-3958-X3R2-XC87

CVE-2018-7542 (GCVE-0-2018-7542)

Tags

Sightings

Nomenclature