Vulnerability-Lookup

GHSA-Q896-33P3-PX23

Vulnerability from github – Published: 2025-12-30 15:30 – Updated: 2025-12-30 15:30

Details

In the Linux kernel, the following vulnerability has been resolved:

jbd2: add miss release buffer head in fc_do_one_pass()

In fc_do_one_pass() miss release buffer head after use which will lead to reference count leak.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50835"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-30T13:15:58Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: add miss release buffer head in fc_do_one_pass()\n\nIn fc_do_one_pass() miss release buffer head after use which will lead\nto reference count leak.",
  "id": "GHSA-q896-33p3-px23",
  "modified": "2025-12-30T15:30:27Z",
  "published": "2025-12-30T15:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50835"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f48116cbd3404898c9022892e114dd7cc3063c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27c7bd35135d5ab38b9138ecf186ce54a96c98d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/56fcd0788f0d9243c1754bd6f80b8b327c4afeee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfff66f30f66b9524b661f311bbed8ff3d2ca49f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e65506ff181fc176088f32117d69b9cb1ddda777"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50835 (GCVE-0-2022-50835)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:10 – Updated: 2026-05-11 19:26

Title

jbd2: add miss release buffer head in fc_do_one_pass()

Summary

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fc_do_one_pass() In fc_do_one_pass() miss release buffer head after use which will lead to reference count leak.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6637 records in the last 180 days details

References

5 references

URL	Tags
https://git.kernel.org/stable/c/e65506ff181fc1760…
https://git.kernel.org/stable/c/56fcd0788f0d9243c…
https://git.kernel.org/stable/c/27c7bd35135d5ab38…
https://git.kernel.org/stable/c/1f48116cbd3404898…
https://git.kernel.org/stable/c/dfff66f30f66b9524…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 , < e65506ff181fc176088f32117d69b9cb1ddda777 (git) Affected: 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 , < 56fcd0788f0d9243c1754bd6f80b8b327c4afeee (git) Affected: 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 , < 27c7bd35135d5ab38b9138ecf186ce54a96c98d9 (git) Affected: 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 , < 1f48116cbd3404898c9022892e114dd7cc3063c1 (git) Affected: 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 , < dfff66f30f66b9524b661f311bbed8ff3d2ca49f (git)
Linux	Linux	Affected: 5.10 Unaffected: 0 , < 5.10 (semver) Unaffected: 5.10.150 , ≤ 5.10.* (semver) Unaffected: 5.15.75 , ≤ 5.15.* (semver) Unaffected: 5.19.17 , ≤ 5.19.* (semver) Unaffected: 6.0.3 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/jbd2/recovery.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e65506ff181fc176088f32117d69b9cb1ddda777",
              "status": "affected",
              "version": "5b849b5f96b47d82b5a432d8b91a8ad260e1de46",
              "versionType": "git"
            },
            {
              "lessThan": "56fcd0788f0d9243c1754bd6f80b8b327c4afeee",
              "status": "affected",
              "version": "5b849b5f96b47d82b5a432d8b91a8ad260e1de46",
              "versionType": "git"
            },
            {
              "lessThan": "27c7bd35135d5ab38b9138ecf186ce54a96c98d9",
              "status": "affected",
              "version": "5b849b5f96b47d82b5a432d8b91a8ad260e1de46",
              "versionType": "git"
            },
            {
              "lessThan": "1f48116cbd3404898c9022892e114dd7cc3063c1",
              "status": "affected",
              "version": "5b849b5f96b47d82b5a432d8b91a8ad260e1de46",
              "versionType": "git"
            },
            {
              "lessThan": "dfff66f30f66b9524b661f311bbed8ff3d2ca49f",
              "status": "affected",
              "version": "5b849b5f96b47d82b5a432d8b91a8ad260e1de46",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/jbd2/recovery.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.150",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "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": "5.10.150",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.17",
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                },
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                }
              ],
              "negate": false,
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: add miss release buffer head in fc_do_one_pass()\n\nIn fc_do_one_pass() miss release buffer head after use which will lead\nto reference count leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:26:01.589Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e65506ff181fc176088f32117d69b9cb1ddda777"
        },
        {
          "url": "https://git.kernel.org/stable/c/56fcd0788f0d9243c1754bd6f80b8b327c4afeee"
        },
        {
          "url": "https://git.kernel.org/stable/c/27c7bd35135d5ab38b9138ecf186ce54a96c98d9"
        },
        {
          "url": "https://git.kernel.org/stable/c/1f48116cbd3404898c9022892e114dd7cc3063c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/dfff66f30f66b9524b661f311bbed8ff3d2ca49f"
        }
      ],
      "title": "jbd2: add miss release buffer head in fc_do_one_pass()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50835",
    "datePublished": "2025-12-30T12:10:55.715Z",
    "dateReserved": "2025-12-30T12:06:07.132Z",
    "dateUpdated": "2026-05-11T19:26:01.589Z",
    "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.

Vulnerability timeline

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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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