Vulnerability-Lookup

GHSA-9CQ2-4366-JJX6

Vulnerability from github – Published: 2026-09-11 21:31 – Updated: 2026-09-11 21:31

Details

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

platform/x86: ISST: Add a NULL check for sst_inst[]

To be consistent with other places, add a NULL check for failed socket loading by checking isst_common.sst_inst[].

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89439"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T20:19:24Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Add a NULL check for sst_inst[]\n\nTo be consistent with other places, add a NULL check for failed socket\nloading by checking isst_common.sst_inst[].",
  "id": "GHSA-9cq2-4366-jjx6",
  "modified": "2026-09-11T21:31:25Z",
  "published": "2026-09-11T21:31:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89439"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-89439 (GCVE-0-2026-89439)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:43 – Updated: 2026-09-11 19:43

Title

platform/x86: ISST: Add a NULL check for sst_inst[]

Summary

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Add a NULL check for sst_inst[] To be consistent with other places, add a NULL check for failed socket loading by checking isst_common.sst_inst[].

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/49a95fe1f64f41c2e…
https://git.kernel.org/stable/c/c280fcd53b938b70c…
https://git.kernel.org/stable/c/ef7975af15126dd70…
https://git.kernel.org/stable/c/3de2776e9d7073765…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d805456c712f93ba8a012430f2a93bec133b6ff4 , < 49a95fe1f64f41c2e8959e525aefdb10f23b293e (git) Affected: d805456c712f93ba8a012430f2a93bec133b6ff4 , < c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa (git) Affected: d805456c712f93ba8a012430f2a93bec133b6ff4 , < ef7975af15126dd70ace519da7bb33f2848b9064 (git) Affected: d805456c712f93ba8a012430f2a93bec133b6ff4 , < 3de2776e9d7073765c10c2326c2bda5926811ea6 (git)
Linux	Linux	Affected: 6.4 Unaffected: 0 , < 6.4 (semver) Unaffected: 6.12.109 , ≤ 6.12.* (semver) Unaffected: 6.18.50 , ≤ 6.18.* (semver) Unaffected: 7.2.4 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c"
          ],
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          "versions": [
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.