GHSA-GCC6-9FF3-RHHH
Vulnerability from github – Published: 2026-01-13 18:31 – Updated: 2026-01-19 15:30
VLAI
Details
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (ibmpex) fix use-after-free in high/low store
The ibmpex_high_low_store() function retrieves driver data using dev_get_drvdata() and uses it without validation. This creates a race condition where the sysfs callback can be invoked after the data structure is freed, leading to use-after-free.
Fix by adding a NULL check after dev_get_drvdata(), and reordering operations in the deletion path to prevent TOCTOU.
{
"affected": [],
"aliases": [
"CVE-2025-68789"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-13T16:15:58Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (ibmpex) fix use-after-free in high/low store\n\nThe ibmpex_high_low_store() function retrieves driver data using\ndev_get_drvdata() and uses it without validation. This creates a race\ncondition where the sysfs callback can be invoked after the data\nstructure is freed, leading to use-after-free.\n\nFix by adding a NULL check after dev_get_drvdata(), and reordering\noperations in the deletion path to prevent TOCTOU.",
"id": "GHSA-gcc6-9ff3-rhhh",
"modified": "2026-01-19T15:30:35Z",
"published": "2026-01-13T18:31:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68789"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3ce9b7ae9d4d148672b35147aaf7987a4f82bb94"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/533ead425f8109b02fecc7e72d612b8898ec347a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5aa2139201667c1f644601e4529c4acd6bf8db5a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/68d62e5bebbd118b763e8bb210d5cf2198ef450c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6946c726c3f4c36f0f049e6f97e88c510b15f65d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fa37adcf1d564ef58b9dfb01b6c36d35c5294bad"
}
],
"schema_version": "1.4.0",
"severity": []
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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- 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.
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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