github - ghsa-mrv5-xm7c-h532

ghsa-mrv5-xm7c-h532

Vulnerability from github

Published

2022-05-17 03:35

Modified

2022-05-17 03:35

Severity ?

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

Details

The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-4480"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-18T14:59:00Z",
    "severity": "HIGH"
  },
  "details": "The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.",
  "id": "GHSA-mrv5-xm7c-h532",
  "modified": "2022-05-17T03:35:41Z",
  "published": "2022-05-17T03:35:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4480"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3633"
    },
    {
      "type": "WEB",
      "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/90710"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1035901"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-176.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2016-4480

Vulnerability from cvelistv5

Published

2016-05-18 14:00

Modified

2024-08-06 00:32

Severity ?

Summary

References

▼	URL	Tags
	http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/90710	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1035901	vdb-entry, x_refsource_SECTRACK
	http://www.debian.org/security/2016/dsa-3633	vendor-advisory, x_refsource_DEBIAN
	http://xenbits.xen.org/xsa/advisory-176.html	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

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{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:32:25.530Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
          },
          {
            "name": "90710",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/90710"
          },
          {
            "name": "1035901",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1035901"
          },
          {
            "name": "DSA-3633",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3633"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-176.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-05-17T00:00:00",
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-11-29T16:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
        },
        {
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            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/90710"
        },
        {
          "name": "1035901",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1035901"
        },
        {
          "name": "DSA-3633",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3633"
        },
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/advisory-176.html"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-4480",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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          }
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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            },
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            },
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            {
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              "refsource": "DEBIAN",
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            },
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  "cveMetadata": {
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    "dateReserved": "2016-05-03T00:00:00",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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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