github - ghsa-xqcp-9p67-2j64

GHSA-XQCP-9P67-2J64

Vulnerability from github – Published: 2025-06-18 12:30 – Updated: 2025-11-17 21:31

Details

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.

Severity ?

5.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-50107"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:40Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-xqcp-9p67-2j64",
  "modified": "2025-11-17T21:31:18Z",
  "published": "2025-06-18T12:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50107"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2025-06-18 11:02 – Updated: 2025-06-18 11:02

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.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7105b4047481bc295…
	https://git.kernel.org/stable/c/ae497726cd090673a…
	https://git.kernel.org/stable/c/c6f62f81b488d00af…

Impacted products

Vendor

Product

Version

Linux

Affected: 0174ee9947bd0f24fee2794b35258960d108b7aa , < 7105b4047481bc2950fb767cff328d8b75292c0f (git)
Affected: 0174ee9947bd0f24fee2794b35258960d108b7aa , < ae497726cd090673a4d20ac725ccc2de8067a7a5 (git)
Affected: 0174ee9947bd0f24fee2794b35258960d108b7aa , < c6f62f81b488d00afaa86bae26c6ce9ab12c709e (git)

Linux

Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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"
}

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-XQCP-9P67-2J64

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

Tags

Sightings

Nomenclature