Vulnerability-Lookup

GHSA-HQRX-6Q6Q-FQ27

Vulnerability from github – Published: 2026-09-17 18:31 – Updated: 2026-09-17 18:31

Details

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

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

_base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lookup[] entry, including ones the setup loop never allocated after a partial failure, causing a "bad dma" warning on debug kernels or a NULL pointer dereference otherwise.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-90202"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers\n\n_base_release_memory_pools() unconditionally frees every\nioc-\u003epcie_sg_lookup[] entry, including ones the setup loop never\nallocated after a partial failure, causing a \"bad dma\" warning on debug\nkernels or a NULL pointer dereference otherwise.",
  "id": "GHSA-hqrx-6q6q-fq27",
  "modified": "2026-09-17T18:31:55Z",
  "published": "2026-09-17T18:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90202"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-90202 (GCVE-0-2026-90202)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:07 – Updated: 2026-09-17 16:07

Title

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers _base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lookup[] entry, including ones the setup loop never allocated after a partial failure, causing a "bad dma" warning on debug kernels or a NULL pointer dereference otherwise.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/3361709fb6f6568b1…
https://git.kernel.org/stable/c/240b582b6372bebb1…
https://git.kernel.org/stable/c/a61181f9ee30a98d2…
https://git.kernel.org/stable/c/afedf35df054bd713…
https://git.kernel.org/stable/c/bc3398db3b64729b4…
https://git.kernel.org/stable/c/2dbdd025b228110cc…
https://git.kernel.org/stable/c/e2cd23443d3616ea0…
https://git.kernel.org/stable/c/b9f679dfe629004b5…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 3361709fb6f6568b157c6f24ed21a4a5d86d73db (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 240b582b6372bebb1245d911add9954b7dd6c02d (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < a61181f9ee30a98d2350c1bff32954a7521f9a23 (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < afedf35df054bd713e9e13771aa0a056932c5c67 (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < bc3398db3b64729b4a7907af317daad04795ad40 (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 2dbdd025b228110ccbfbab95fe16e098313a14af (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < e2cd23443d3616ea0876f27762b17e2ec67d896c (git) Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < b9f679dfe629004b593f018df33b330d799bcee4 (git)
Linux	Linux	Affected: 4.16 Unaffected: 0 , < 4.16 (semver) Unaffected: 5.10.270 , ≤ 5.10.* (semver) Unaffected: 5.15.221 , ≤ 5.15.* (semver) Unaffected: 6.1.188 , ≤ 6.1.* (semver) Unaffected: 6.6.157 , ≤ 6.6.* (semver) Unaffected: 6.12.110 , ≤ 6.12.* (semver) Unaffected: 6.18.52 , ≤ 6.18.* (semver) Unaffected: 7.2.6 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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        {
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          "programFiles": [
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            }
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        }
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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-HQRX-6Q6Q-FQ27

CVE-2026-90202 (GCVE-0-2026-90202)

Tags

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