github - ghsa-8fxj-p2h6-vh9g

GHSA-8FXJ-P2H6-VH9G

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:

erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails

Otherwise, meta buffers could be leaked.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50811"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-30T13:15:55Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails\n\nOtherwise, meta buffers could be leaked.",
  "id": "GHSA-8fxj-p2h6-vh9g",
  "modified": "2025-12-30T15:30:26Z",
  "published": "2025-12-30T15:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50811"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/091a8ca572a2e48554427feda78aa503e98c1028"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/373b6f350aecf5dca2e7474f0b4ec8cca659f2f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5d188b8f8b38d3d71dd05993874b4fc9284ce95"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50811 (GCVE-0-2022-50811)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:08 – Updated: 2025-12-30 12:08

Title

erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails

Summary

In the Linux kernel, the following vulnerability has been resolved: erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails Otherwise, meta buffers could be leaked.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/091a8ca572a2e4855…
	https://git.kernel.org/stable/c/373b6f350aecf5dca…
	https://git.kernel.org/stable/c/d5d188b8f8b38d3d7…

Impacted products

Vendor

Product

Version

Linux

Affected: cec6e93beadfd145758af2c0854fcc2abb8170cb , < 091a8ca572a2e48554427feda78aa503e98c1028 (git)
Affected: cec6e93beadfd145758af2c0854fcc2abb8170cb , < 373b6f350aecf5dca2e7474f0b4ec8cca659f2f0 (git)
Affected: cec6e93beadfd145758af2c0854fcc2abb8170cb , < d5d188b8f8b38d3d71dd05993874b4fc9284ce95 (git)

Linux

Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "091a8ca572a2e48554427feda78aa503e98c1028",
              "status": "affected",
              "version": "cec6e93beadfd145758af2c0854fcc2abb8170cb",
              "versionType": "git"
            },
            {
              "lessThan": "373b6f350aecf5dca2e7474f0b4ec8cca659f2f0",
              "status": "affected",
              "version": "cec6e93beadfd145758af2c0854fcc2abb8170cb",
              "versionType": "git"
            },
            {
              "lessThan": "d5d188b8f8b38d3d71dd05993874b4fc9284ce95",
              "status": "affected",
              "version": "cec6e93beadfd145758af2c0854fcc2abb8170cb",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.2",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails\n\nOtherwise, meta buffers could be leaked."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:08:28.719Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/091a8ca572a2e48554427feda78aa503e98c1028"
        },
        {
          "url": "https://git.kernel.org/stable/c/373b6f350aecf5dca2e7474f0b4ec8cca659f2f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/d5d188b8f8b38d3d71dd05993874b4fc9284ce95"
        }
      ],
      "title": "erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50811",
    "datePublished": "2025-12-30T12:08:28.719Z",
    "dateReserved": "2025-12-30T12:06:07.130Z",
    "dateUpdated": "2025-12-30T12:08:28.719Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-8FXJ-P2H6-VH9G

CVE-2022-50811 (GCVE-0-2022-50811)

Tags

Sightings

Nomenclature