github - ghsa-hqhv-rx9w-cr56

ghsa-hqhv-rx9w-cr56

Vulnerability from github

Published

2022-05-24 17:46

Modified

2022-05-28 00:00

Severity ?

6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. This initialization went too far and may under certain conditions also overwrite pointers which are in need of cleaning up. The lack of cleanup would result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains. All Linux versions having the fix for XSA-365 applied are vulnerable. XSA-365 was classified to affect versions back to at least 3.11.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-28688"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-665"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-06T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn\u0027t use uninitialized or stale values. This initialization went too far and may under certain conditions also overwrite pointers which are in need of cleaning up. The lack of cleanup would result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains. All Linux versions having the fix for XSA-365 applied are vulnerable. XSA-365 was classified to affect versions back to at least 3.11.",
  "id": "GHSA-hqhv-rx9w-cr56",
  "modified": "2022-05-28T00:00:26Z",
  "published": "2022-05-24T17:46:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-28688"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xenproject.org/xsa/advisory-371.txt"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-28688

Vulnerability from cvelistv5

Published

2021-04-06 18:07

Modified

2024-08-03 21:47

Severity ?

Summary

References

▼	URL	Tags
	https://xenbits.xenproject.org/xsa/advisory-371.txt	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html	mailing-list, x_refsource_MLIST

Impacted products

Vendor

Product

Version

▼

Linux

Version: 3.11 < unspecified
Patch: next of 4.3

Linux	Linux	Version: 5.11.1
Linux	Linux	Version: 5.12-rc
Linux	Linux	Version: 5.10.18
Linux	Linux	Patch: next of 5.9

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{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:47:33.121Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://xenbits.xenproject.org/xsa/advisory-371.txt"
          },
          {
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            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
          },
          {
            "name": "[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update",
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      "credits": [
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        }
      ],
      "metrics": [
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                  }
                ]
              }
            },
            "type": "unknown"
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        }
      ],
      "problemTypes": [
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      "providerMetadata": {
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        "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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      },
      "references": [
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          "url": "https://xenbits.xenproject.org/xsa/advisory-371.txt"
        },
        {
          "name": "[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update",
          "tags": [
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
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      "x_legacyV4Record": {
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                            "version_affected": "?\u003c",
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                    }
                  ]
                },
                "vendor_name": "Linux"
              }
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        },
        "configuration": {
          "configuration_data": {
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "All Linux versions having the fix for XSA-365 applied are vulnerable.\nXSA-365 was classified to affect versions back to at least 3.11."
                }
              ]
            }
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        },
        "credit": {
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            },
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            },
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        },
        "workaround": {
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            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "Reconfiguring guests to use alternative (e.g. qemu-based) backends may\navoid the vulnerability.\n\nAvoiding the use of persistent grants will also avoid the vulnerability.\nThis can be achieved by passing the \"feature_persistent=0\" module option\nto the xen-blkback driver."
                }
              ]
            }
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  },
  "cveMetadata": {
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    "assignerShortName": "XEN",
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    "datePublished": "2021-04-06T18:07:41",
    "dateReserved": "2021-03-18T00:00:00",
    "dateUpdated": "2024-08-03T21:47:33.121Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "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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