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

Vulnerability from cvelistv5 – Published: 2025-12-09 00:00 – Updated: 2025-12-09 00:00
VLAI?
Title
cifs: Fix xid leak in cifs_copy_file_range()
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2 (git)
Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < 27cfd3afaab000a455194338db3b7f2031fde9d0 (git)
Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < dc283313d1ca378d787cb55c1e580dc3de852680 (git)
Affected: 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 , < 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 (git)
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    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)
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{
  "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": [
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "5.7"
            },
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              "versionType": "semver"
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            {
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              "version": "6.0.6",
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            {
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              "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",
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                  "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": "2025-12-09T00:00:17.684Z",
        "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"
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        {
          "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()",
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  },
  "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": "2025-12-09T00:00:17.684Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.