fkie_nvd - fkie_cve-2022-50148

fkie_cve-2022-50148

Vulnerability from fkie_nvd

Published

2025-06-18 11:15

Modified

2025-06-18 13:47

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in __kernfs_remove When lockdep is enabled, lockdep_assert_held_write would cause potential NULL pointer dereference. Fix the following smatch warnings: fs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check 'kn' (see line 1346)

References

▼	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkernfs: fix potential NULL dereference in __kernfs_remove\n\nWhen lockdep is enabled, lockdep_assert_held_write would\ncause potential NULL pointer dereference.\n\nFix the following smatch warnings:\n\nfs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check \u0027kn\u0027 (see line 1346)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: kernfs: se corrige una posible desreferencia de punteros NULL en __kernfs_remove. Cuando lockdep est\u00e1 habilitado, lockdep_assert_held_write podr\u00eda causar una posible desreferencia de punteros NULL. Se corrigen las siguientes advertencias de coincidencia: fs/kernfs/dir.c:1353 __kernfs_remove() warn: variable desreferenciada antes de la comprobaci\u00f3n \u0027kn\u0027 (v\u00e9ase la l\u00ednea 1346)."
    }
  ],
  "id": "CVE-2022-50148",
  "lastModified": "2025-06-18T13:47:40.833",
  "metrics": {},
  "published": "2025-06-18T11:15:44.857",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2022-50148 (GCVE-0-2022-50148)

Vulnerability from cvelistv5

Published

2025-06-18 11:03

Modified

2025-06-18 11:03

Severity ?

Summary

References

▼	URL	Tags
	https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd
	https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50
	https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a

Impacted products

Vendor

Product

Version

▼

Linux

Version: 393c3714081a53795bbff0e985d24146def6f57f
Version: 393c3714081a53795bbff0e985d24146def6f57f
Version: 393c3714081a53795bbff0e985d24146def6f57f

Linux

Version: 5.17

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/kernfs/dir.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b871986d9d3071f5082664ac274d93f08db257cd",
              "status": "affected",
              "version": "393c3714081a53795bbff0e985d24146def6f57f",
              "versionType": "git"
            },
            {
              "lessThan": "4a9f35b8729c5bf13ea671c908c17ed74c48fc50",
              "status": "affected",
              "version": "393c3714081a53795bbff0e985d24146def6f57f",
              "versionType": "git"
            },
            {
              "lessThan": "72b5d5aef246a0387cefa23121dd90901c7a691a",
              "status": "affected",
              "version": "393c3714081a53795bbff0e985d24146def6f57f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/kernfs/dir.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.2",
              "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": "5.18.18",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkernfs: fix potential NULL dereference in __kernfs_remove\n\nWhen lockdep is enabled, lockdep_assert_held_write would\ncause potential NULL pointer dereference.\n\nFix the following smatch warnings:\n\nfs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check \u0027kn\u0027 (see line 1346)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:03:08.462Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50"
        },
        {
          "url": "https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a"
        }
      ],
      "title": "kernfs: fix potential NULL dereference in __kernfs_remove",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50148",
    "datePublished": "2025-06-18T11:03:08.462Z",
    "dateReserved": "2025-06-18T10:57:27.424Z",
    "dateUpdated": "2025-06-18T11:03:08.462Z",
    "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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