github - ghsa-8gj5-9g6q-pjv8

ghsa-8gj5-9g6q-pjv8

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:

Revert "usb: typec: ucsi: add a common function ucsi_unregister_connectors()"

The recent commit 87d0e2f41b8c ("usb: typec: ucsi: add a common function ucsi_unregister_connectors()") introduced a regression that caused NULL dereference at reading the power supply sysfs. It's a stale sysfs entry that should have been removed but remains with NULL ops. The commit changed the error handling to skip the entries after a NULL con->wq, and this leaves the power device unreleased.

For addressing the regression, the straight revert is applied here. Further code improvements can be done from the scratch again.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49944"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:21Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"usb: typec: ucsi: add a common function ucsi_unregister_connectors()\"\n\nThe recent commit 87d0e2f41b8c (\"usb: typec: ucsi: add a common\nfunction ucsi_unregister_connectors()\") introduced a regression that\ncaused NULL dereference at reading the power supply sysfs.  It\u0027s a\nstale sysfs entry that should have been removed but remains with NULL\nops.  The commit changed the error handling to skip the entries after\na NULL con-\u003ewq, and this leaves the power device unreleased.\n\nFor addressing the regression, the straight revert is applied here.\nFurther code improvements can be done from the scratch again.",
  "id": "GHSA-8gj5-9g6q-pjv8",
  "modified": "2025-06-18T12:30:36Z",
  "published": "2025-06-18T12:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49944"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d4044c9e6d2e3f11f1f8b5e0ee8647d3eb1afad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f73aa2cf8bef4a39baa1591c3144ede4788826e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-49944 (GCVE-0-2022-49944)

Vulnerability from cvelistv5

Published

2025-06-18 10:59

Modified

2025-06-18 10:59

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: Revert "usb: typec: ucsi: add a common function ucsi_unregister_connectors()" The recent commit 87d0e2f41b8c ("usb: typec: ucsi: add a common function ucsi_unregister_connectors()") introduced a regression that caused NULL dereference at reading the power supply sysfs. It's a stale sysfs entry that should have been removed but remains with NULL ops. The commit changed the error handling to skip the entries after a NULL con->wq, and this leaves the power device unreleased. For addressing the regression, the straight revert is applied here. Further code improvements can be done from the scratch again.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/3d4044c9e6d2e3f11f1f8b5e0ee8647d3eb1afad
	https://git.kernel.org/stable/c/5f73aa2cf8bef4a39baa1591c3144ede4788826e

Impacted products

Vendor

Product

Version

▼

Linux

Version: 87d0e2f41b8cc2018499be4e8003fa8c09b6f2fb
Version: 87d0e2f41b8cc2018499be4e8003fa8c09b6f2fb

Linux

Version: 5.19

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/typec/ucsi/ucsi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3d4044c9e6d2e3f11f1f8b5e0ee8647d3eb1afad",
              "status": "affected",
              "version": "87d0e2f41b8cc2018499be4e8003fa8c09b6f2fb",
              "versionType": "git"
            },
            {
              "lessThan": "5f73aa2cf8bef4a39baa1591c3144ede4788826e",
              "status": "affected",
              "version": "87d0e2f41b8cc2018499be4e8003fa8c09b6f2fb",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/typec/ucsi/ucsi.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\nRevert \"usb: typec: ucsi: add a common function ucsi_unregister_connectors()\"\n\nThe recent commit 87d0e2f41b8c (\"usb: typec: ucsi: add a common\nfunction ucsi_unregister_connectors()\") introduced a regression that\ncaused NULL dereference at reading the power supply sysfs.  It\u0027s a\nstale sysfs entry that should have been removed but remains with NULL\nops.  The commit changed the error handling to skip the entries after\na NULL con-\u003ewq, and this leaves the power device unreleased.\n\nFor addressing the regression, the straight revert is applied here.\nFurther code improvements can be done from the scratch again."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T10:59:59.319Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3d4044c9e6d2e3f11f1f8b5e0ee8647d3eb1afad"
        },
        {
          "url": "https://git.kernel.org/stable/c/5f73aa2cf8bef4a39baa1591c3144ede4788826e"
        }
      ],
      "title": "Revert \"usb: typec: ucsi: add a common function ucsi_unregister_connectors()\"",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49944",
    "datePublished": "2025-06-18T10:59:59.319Z",
    "dateReserved": "2025-06-18T10:57:27.381Z",
    "dateUpdated": "2025-06-18T10:59:59.319Z",
    "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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