github - ghsa-2hq2-46wf-3mhv

GHSA-2HQ2-46WF-3MHV

Vulnerability from github – Published: 2024-05-21 15:31 – Updated: 2024-12-26 21:30

Details

In the Linux kernel, the following vulnerability has been resolved:

net: qcom/emac: fix UAF in emac_remove

adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

Severity ?

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-47311"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:18Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qcom/emac: fix UAF in emac_remove\n\nadpt is netdev private data and it cannot be\nused after free_netdev() call. Using adpt after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() at the end of the\nfunction.",
  "id": "GHSA-2hq2-46wf-3mhv",
  "modified": "2024-12-26T21:30:35Z",
  "published": "2024-05-21T15:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47311"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11e9d163d631198bb3eb41a677a61b499516c0f7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1e091331920f8fbfc747dcbd16263fcd71abb2d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b560521eca03d0a2db6093a5a632cbdd0a0cf833"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-47311 (GCVE-0-2021-47311)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2025-05-04 07:08

Summary

In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/4d04a42b926e68214…
	https://git.kernel.org/stable/c/b1e091331920f8fbf…
	https://git.kernel.org/stable/c/11e9d163d631198bb…
	https://git.kernel.org/stable/c/2b70ca92847c619d6…
	https://git.kernel.org/stable/c/b560521eca03d0a2d…
	https://git.kernel.org/stable/c/8a225a6e07a57a153…
	https://git.kernel.org/stable/c/ad297cd2db8953e22…

Impacted products

Vendor

Product

Version

Linux

Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < 4d04a42b926e682140776e54188f4a44f1f01a81 (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < b1e091331920f8fbfc747dcbd16263fcd71abb2d (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < 11e9d163d631198bb3eb41a677a61b499516c0f7 (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < 2b70ca92847c619d6264c7372ef74fcbfd1e048c (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < b560521eca03d0a2db6093a5a632cbdd0a0cf833 (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < 8a225a6e07a57a1538d53637cb3d82bd3e477839 (git)
Affected: 54e19bc74f3380d414681762ceed9f7245bc6a6e , < ad297cd2db8953e2202970e9504cab247b6c7cb4 (git)

Linux

Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 4.9.277 , ≤ 4.9.* (semver)
Unaffected: 4.14.241 , ≤ 4.14.* (semver)
Unaffected: 4.19.199 , ≤ 4.19.* (semver)
Unaffected: 5.4.135 , ≤ 5.4.* (semver)
Unaffected: 5.10.53 , ≤ 5.10.* (semver)
Unaffected: 5.13.5 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.445Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b1e091331920f8fbfc747dcbd16263fcd71abb2d"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/11e9d163d631198bb3eb41a677a61b499516c0f7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b560521eca03d0a2db6093a5a632cbdd0a0cf833"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47311",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-19T18:50:38.591727Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-19T18:50:45.314Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qualcomm/emac/emac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4d04a42b926e682140776e54188f4a44f1f01a81",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "b1e091331920f8fbfc747dcbd16263fcd71abb2d",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "11e9d163d631198bb3eb41a677a61b499516c0f7",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "2b70ca92847c619d6264c7372ef74fcbfd1e048c",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "b560521eca03d0a2db6093a5a632cbdd0a0cf833",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "8a225a6e07a57a1538d53637cb3d82bd3e477839",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            },
            {
              "lessThan": "ad297cd2db8953e2202970e9504cab247b6c7cb4",
              "status": "affected",
              "version": "54e19bc74f3380d414681762ceed9f7245bc6a6e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qualcomm/emac/emac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.9"
            },
            {
              "lessThan": "4.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.277",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.13.*",
              "status": "unaffected",
              "version": "5.13.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.9.277",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.241",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.199",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.135",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.53",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.13.5",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.14",
                  "versionStartIncluding": "4.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qcom/emac: fix UAF in emac_remove\n\nadpt is netdev private data and it cannot be\nused after free_netdev() call. Using adpt after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() at the end of the\nfunction."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:08:27.212Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81"
        },
        {
          "url": "https://git.kernel.org/stable/c/b1e091331920f8fbfc747dcbd16263fcd71abb2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/11e9d163d631198bb3eb41a677a61b499516c0f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048c"
        },
        {
          "url": "https://git.kernel.org/stable/c/b560521eca03d0a2db6093a5a632cbdd0a0cf833"
        },
        {
          "url": "https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839"
        },
        {
          "url": "https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4"
        }
      ],
      "title": "net: qcom/emac: fix UAF in emac_remove",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47311",
    "datePublished": "2024-05-21T14:35:29.304Z",
    "dateReserved": "2024-05-21T14:28:16.973Z",
    "dateUpdated": "2025-05-04T07:08:27.212Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2HQ2-46WF-3MHV

CVE-2021-47311 (GCVE-0-2021-47311)

Tags

Sightings

Nomenclature