Vulnerability-Lookup

GHSA-JPJ2-8X9F-59J6

Vulnerability from github – Published: 2025-03-17 18:31 – Updated: 2025-03-17 18:31

Details

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

misc: ocxl: fix possible double free in ocxl_file_register_afu

info_release() will be called in device_unregister() when info->dev's reference count is 0. So there is no need to call ocxl_afu_put() and kfree() again.

Fix this by adding free_minor() and return to err_unregister error path.

Severity

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49455"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:21Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible double free in ocxl_file_register_afu\n\ninfo_release() will be called in device_unregister() when info-\u003edev\u0027s\nreference count is 0. So there is no need to call ocxl_afu_put() and\nkfree() again.\n\nFix this by adding free_minor() and return to err_unregister error path.",
  "id": "GHSA-jpj2-8x9f-59j6",
  "modified": "2025-03-17T18:31:49Z",
  "published": "2025-03-17T18:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49455"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49455 (GCVE-0-2022-49455)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:13 – Updated: 2026-05-11 19:00

Title

misc: ocxl: fix possible double free in ocxl_file_register_afu

Summary

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible double free in ocxl_file_register_afu info_release() will be called in device_unregister() when info->dev's reference count is 0. So there is no need to call ocxl_afu_put() and kfree() again. Fix this by adding free_minor() and return to err_unregister error path.

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 19:40 UTC

CWE

CWE-415 - Double Free

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/de65c32ace9aa70d5…
https://git.kernel.org/stable/c/ee89d8dee55ab4b3b…
https://git.kernel.org/stable/c/8fb674216835e1f0c…
https://git.kernel.org/stable/c/252768d32e92c1214…
https://git.kernel.org/stable/c/9e9087cf34ee69f4e…
https://git.kernel.org/stable/c/950cf957fe34d40d6…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < de65c32ace9aa70d51facc61ba986607075e3a25 (git) Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < ee89d8dee55ab4b3b8ad8b70866b2841ba334767 (git) Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < 8fb674216835e1f0c143762696d645facebb4685 (git) Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < 252768d32e92c1214aeebb5fec0844ca479bcf5c (git) Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < 9e9087cf34ee69f4e95d146ac29385d6e367a97b (git) Affected: 75ca758adbafc81804c39b2c200ecdc819a6c042 , < 950cf957fe34d40d63dfa3bf3968210430b6491e (git)
Linux	Linux	Affected: 5.2 Unaffected: 0 , < 5.2 (semver) Unaffected: 5.4.198 , ≤ 5.4.* (semver) Unaffected: 5.10.121 , ≤ 5.10.* (semver) Unaffected: 5.15.46 , ≤ 5.15.* (semver) Unaffected: 5.17.14 , ≤ 5.17.* (semver) Unaffected: 5.18.3 , ≤ 5.18.* (semver) Unaffected: 5.19 , ≤ * (original_commit_for_fix)

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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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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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GHSA-JPJ2-8X9F-59J6

CVE-2022-49455 (GCVE-0-2022-49455)

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