Vulnerability-Lookup

GHSA-G3G5-XM8M-GP96

Vulnerability from github – Published: 2024-05-01 06:31 – Updated: 2025-09-18 15:30

Details

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

s390/cio: fix race condition during online processing

A race condition exists in ccw_device_set_online() that can cause the online process to fail, leaving the affected device in an inconsistent state. As a result, subsequent attempts to set that device online fail with return code ENODEV.

The problem occurs when a path verification request arrives after a wait for final device state completed, but before the result state is evaluated.

Fix this by ensuring that the CCW-device lock is held between determining final state and checking result state.

Note that since:

commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")

path verification requests are much more likely to occur during boot, resulting in an increased chance of this race condition occurring.

Severity

4.7 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2024-27009"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:19Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: fix race condition during online processing\n\nA race condition exists in ccw_device_set_online() that can cause the\nonline process to fail, leaving the affected device in an inconsistent\nstate. As a result, subsequent attempts to set that device online fail\nwith return code ENODEV.\n\nThe problem occurs when a path verification request arrives after\na wait for final device state completed, but before the result state\nis evaluated.\n\nFix this by ensuring that the CCW-device lock is held between\ndetermining final state and checking result state.\n\nNote that since:\n\ncommit 2297791c92d0 (\"s390/cio: dont unregister subchannel from child-drivers\")\n\npath verification requests are much more likely to occur during boot,\nresulting in an increased chance of this race condition occurring.",
  "id": "GHSA-g3g5-xm8m-gp96",
  "modified": "2025-09-18T15:30:21Z",
  "published": "2024-05-01T06:31:43Z",
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      "type": "CVSS_V3"
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  ]
}

CVE-2024-27009 (GCVE-0-2024-27009)

Vulnerability from cvelistv5 – Published: 2024-05-01 05:29 – Updated: 2026-05-11 20:08

Title

s390/cio: fix race condition during online processing

Summary

In the Linux kernel, the following vulnerability has been resolved: s390/cio: fix race condition during online processing A race condition exists in ccw_device_set_online() that can cause the online process to fail, leaving the affected device in an inconsistent state. As a result, subsequent attempts to set that device online fail with return code ENODEV. The problem occurs when a path verification request arrives after a wait for final device state completed, but before the result state is evaluated. Fix this by ensuring that the CCW-device lock is held between determining final state and checking result state. Note that since: commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers") path verification requests are much more likely to occur during boot, resulting in an increased chance of this race condition occurring.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 15:44 UTC

Assigner

Linux mitre root Scorecard

References

8 references

URL	Tags
https://git.kernel.org/stable/c/3076b3c38a704e10d…
https://git.kernel.org/stable/c/559f3a6333397ab6c…
https://git.kernel.org/stable/c/2df56f4ea769ff81e…
https://git.kernel.org/stable/c/a4234decd0fe42983…
https://git.kernel.org/stable/c/2d8527f2f911fab84…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2297791c92d04a154ad29ba5a073f9f627982110 , < 3076b3c38a704e10df5e143c213653309d532538 (git) Affected: 2297791c92d04a154ad29ba5a073f9f627982110 , < 559f3a6333397ab6cd4a696edd65a70b6be62c6e (git) Affected: 2297791c92d04a154ad29ba5a073f9f627982110 , < 2df56f4ea769ff81e51bbb05699989603bde9c49 (git) Affected: 2297791c92d04a154ad29ba5a073f9f627982110 , < a4234decd0fe429832ca81c4637be7248b88b49e (git) Affected: 2297791c92d04a154ad29ba5a073f9f627982110 , < 2d8527f2f911fab84aec04df4788c0c23af3df48 (git)
Linux	Linux	Affected: 5.15 Unaffected: 0 , < 5.15 (semver) Unaffected: 5.15.157 , ≤ 5.15.* (semver) Unaffected: 6.1.88 , ≤ 6.1.* (semver) Unaffected: 6.6.29 , ≤ 6.6.* (semver) Unaffected: 6.8.8 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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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.

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-G3G5-XM8M-GP96

CVE-2024-27009 (GCVE-0-2024-27009)

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