Vulnerability-Lookup

FKIE_CVE-2022-50643

Vulnerability from fkie_nvd - Published: 2025-12-09 01:16 - Updated: 2026-06-17 05:23

Severity

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/27cfd3afaab000a455194338db3b7f2031fde9d0
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9a97df404a402fe1174d2d1119f87ff2a0ca2fe9
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dc283313d1ca378d787cb55c1e580dc3de852680

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifsfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "27cfd3afaab000a455194338db3b7f2031fde9d0",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "dc283313d1ca378d787cb55c1e580dc3de852680",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "9a97df404a402fe1174d2d1119f87ff2a0ca2fe9",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifsfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.152",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.76",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix xid leak in cifs_copy_file_range()\n\nIf the file is used by swap, before return -EOPNOTSUPP, should\nfree the xid, otherwise, the xid will be leaked."
    }
  ],
  "id": "CVE-2022-50643",
  "lastModified": "2026-06-17T05:23:55.253",
  "metrics": {},
  "published": "2025-12-09T01:16:46.823",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/27cfd3afaab000a455194338db3b7f2031fde9d0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9a97df404a402fe1174d2d1119f87ff2a0ca2fe9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dc283313d1ca378d787cb55c1e580dc3de852680"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}

CVE-2022-50643 (GCVE-0-2022-50643)

Vulnerability from cvelistv5 – Published: 2025-12-09 00:00 – Updated: 2026-05-11 19:22

Title

cifs: Fix xid leak in cifs_copy_file_range()

Summary

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/bf49d4fe4ab7b8d81…
https://git.kernel.org/stable/c/27cfd3afaab000a45…
https://git.kernel.org/stable/c/dc283313d1ca378d7…
https://git.kernel.org/stable/c/9a97df404a402fe11…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2 (git) Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < 27cfd3afaab000a455194338db3b7f2031fde9d0 (git) Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < dc283313d1ca378d787cb55c1e580dc3de852680 (git) Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 (git)
Linux	Linux	Affected: 5.7 Unaffected: 0 , < 5.7 (semver) Unaffected: 5.10.152 , ≤ 5.10.* (semver) Unaffected: 5.15.76 , ≤ 5.15.* (semver) Unaffected: 6.0.6 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifsfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "27cfd3afaab000a455194338db3b7f2031fde9d0",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "dc283313d1ca378d787cb55c1e580dc3de852680",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            },
            {
              "lessThan": "9a97df404a402fe1174d2d1119f87ff2a0ca2fe9",
              "status": "affected",
              "version": "4e8aea30f7751ce7c4b158aa0c04e7744d281cc3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/cifsfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.152",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.76",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.152",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.76",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.6",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix xid leak in cifs_copy_file_range()\n\nIf the file is used by swap, before return -EOPNOTSUPP, should\nfree the xid, otherwise, the xid will be leaked."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:22:48.995Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2"
        },
        {
          "url": "https://git.kernel.org/stable/c/27cfd3afaab000a455194338db3b7f2031fde9d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/dc283313d1ca378d787cb55c1e580dc3de852680"
        },
        {
          "url": "https://git.kernel.org/stable/c/9a97df404a402fe1174d2d1119f87ff2a0ca2fe9"
        }
      ],
      "title": "cifs: Fix xid leak in cifs_copy_file_range()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50643",
    "datePublished": "2025-12-09T00:00:17.684Z",
    "dateReserved": "2025-12-08T23:57:43.370Z",
    "dateUpdated": "2026-05-11T19:22:48.995Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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