fkie_nvd - fkie_cve-2022-50107

fkie_cve-2022-50107

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: cifs: Fix memory leak when using fscache If we hit the 'index == next_cached' case, we leak a refcount on the struct page. Fix this by using readahead_folio() which takes care of the refcount for you.

References

▶	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory leak when using fscache\n\nIf we hit the \u0027index == next_cached\u0027 case, we leak a refcount on the\nstruct page.  Fix this by using readahead_folio() which takes care of\nthe refcount for you."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cifs: Se corrige la p\u00e9rdida de memoria al usar fscache. Si se da el caso \u0027index == next_cached\u0027, se filtra un recuento de referencias en la p\u00e1gina de estructura. Para solucionar esto, use readahead_folio(), que se encarga del recuento de referencias."
    }
  ],
  "id": "CVE-2022-50107",
  "lastModified": "2025-06-18T13:47:40.833",
  "metrics": {},
  "published": "2025-06-18T11:15:40.140",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2022-50107 (GCVE-0-2022-50107)

Vulnerability from cvelistv5

Published

2025-06-18 11:02

Modified

2025-06-18 11:02

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == next_cached' case, we leak a refcount on the struct page. Fix this by using readahead_folio() which takes care of the refcount for you.

References

►

URL

Tags

	https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f
	https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5
	https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e

Impacted products

Vendor

Product

Version

►

Version: 0174ee9947bd0f24fee2794b35258960d108b7aa
Version: 0174ee9947bd0f24fee2794b35258960d108b7aa
Version: 0174ee9947bd0f24fee2794b35258960d108b7aa

Version: 5.17

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7105b4047481bc2950fb767cff328d8b75292c0f",
              "status": "affected",
              "version": "0174ee9947bd0f24fee2794b35258960d108b7aa",
              "versionType": "git"
            },
            {
              "lessThan": "ae497726cd090673a4d20ac725ccc2de8067a7a5",
              "status": "affected",
              "version": "0174ee9947bd0f24fee2794b35258960d108b7aa",
              "versionType": "git"
            },
            {
              "lessThan": "c6f62f81b488d00afaa86bae26c6ce9ab12c709e",
              "status": "affected",
              "version": "0174ee9947bd0f24fee2794b35258960d108b7aa",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/file.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\ncifs: Fix memory leak when using fscache\n\nIf we hit the \u0027index == next_cached\u0027 case, we leak a refcount on the\nstruct page.  Fix this by using readahead_folio() which takes care of\nthe refcount for you."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:02:41.395Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f"
        },
        {
          "url": "https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e"
        }
      ],
      "title": "cifs: Fix memory leak when using fscache",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50107",
    "datePublished": "2025-06-18T11:02:41.395Z",
    "dateReserved": "2025-06-18T10:57:27.413Z",
    "dateUpdated": "2025-06-18T11:02:41.395Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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