github - ghsa-7hw6-wgqh-2g44

ghsa-7hw6-wgqh-2g44

Vulnerability from github

Published

2025-06-18 12:30

Modified

2025-06-18 12:30

Details

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

xhci: Fix null pointer dereference in remove if xHC has only one roothub

The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub)

This causes a null pointer dereference in reboot for those controllers.

Check that the shared_hcd exists before trying to remove it.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49962"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:23Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\n\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\n\nThis causes a null pointer dereference in reboot for those controllers.\n\nCheck that the shared_hcd exists before trying to remove it.",
  "id": "GHSA-7hw6-wgqh-2g44",
  "modified": "2025-06-18T12:30:37Z",
  "published": "2025-06-18T12:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49962"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-49962 (GCVE-0-2022-49962)

Vulnerability from cvelistv5

Published

2025-06-18 11:00

Modified

2025-06-18 11:00

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f
	https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43

Impacted products

Vendor

Product

Version

▼

Linux

Version: e0fe986972f5b6b12086c73569206dd29c520be9
Version: e0fe986972f5b6b12086c73569206dd29c520be9

Linux

Version: 5.19

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/host/xhci-plat.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7081b2f34ff291ada012bd6abacaf7d51c4cf73f",
              "status": "affected",
              "version": "e0fe986972f5b6b12086c73569206dd29c520be9",
              "versionType": "git"
            },
            {
              "lessThan": "4a593a62a9e3a25ab4bc37f612e4edec144f7f43",
              "status": "affected",
              "version": "e0fe986972f5b6b12086c73569206dd29c520be9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/host/xhci-plat.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.8",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\n\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\n\nThis causes a null pointer dereference in reboot for those controllers.\n\nCheck that the shared_hcd exists before trying to remove it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:23.321Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43"
        }
      ],
      "title": "xhci: Fix null pointer dereference in remove if xHC has only one roothub",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49962",
    "datePublished": "2025-06-18T11:00:23.321Z",
    "dateReserved": "2025-06-18T10:57:27.383Z",
    "dateUpdated": "2025-06-18T11:00:23.321Z",
    "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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