Vulnerability-Lookup

GHSA-6X8H-VJG9-QVC5

Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32

Details

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

ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()

In riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which would leave link_handle uninitialized.

Fix it by checking the acpi_get_handle() return status and skip the entry if it fails.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-93133"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:18:08Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()\n\nIn riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which\nwould leave link_handle uninitialized.\n\nFix it by checking the acpi_get_handle() return status and skip the entry\nif it fails.",
  "id": "GHSA-6x8h-vjg9-qvc5",
  "modified": "2026-09-17T18:32:11Z",
  "published": "2026-09-17T18:32:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93133"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/088c1c85921344d7244ca2e8d5d336ae7461de6e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20435bda13f1219891ed0ce41207e320a916ff9c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4cdcf4e19ed3127afd787f026d4ec56ae4d2a4ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8625752bfdf108a0000116aa583b3efe767b540"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-93133 (GCVE-0-2026-93133)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:11 – Updated: 2026-09-17 16:11

Title

ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()

Summary

In the Linux kernel, the following vulnerability has been resolved: ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep() In riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which would leave link_handle uninitialized. Fix it by checking the acpi_get_handle() return status and skip the entry if it fails.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/f8625752bfdf108a0…
https://git.kernel.org/stable/c/4cdcf4e19ed3127af…
https://git.kernel.org/stable/c/088c1c85921344d72…
https://git.kernel.org/stable/c/20435bda13f121989…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1b173cc4bfcdcf4a49927952ba3a445c5b293723 , < f8625752bfdf108a0000116aa583b3efe767b540 (git) Affected: 1b173cc4bfcdcf4a49927952ba3a445c5b293723 , < 4cdcf4e19ed3127afd787f026d4ec56ae4d2a4ed (git) Affected: 1b173cc4bfcdcf4a49927952ba3a445c5b293723 , < 088c1c85921344d7244ca2e8d5d336ae7461de6e (git) Affected: 1b173cc4bfcdcf4a49927952ba3a445c5b293723 , < 20435bda13f1219891ed0ce41207e320a916ff9c (git)
Linux	Linux	Affected: 6.12 Unaffected: 0 , < 6.12 (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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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/riscv/irq.c"
          ],
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              "versionType": "git"
            },
            {
              "lessThan": "4cdcf4e19ed3127afd787f026d4ec56ae4d2a4ed",
              "status": "affected",
              "version": "1b173cc4bfcdcf4a49927952ba3a445c5b293723",
              "versionType": "git"
            },
            {
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          "versions": [
            {
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              "version": "6.12"
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              "status": "unaffected",
              "version": "0",
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            },
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              "status": "unaffected",
              "version": "6.18.52",
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              "status": "unaffected",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()\n\nIn riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which\nwould leave link_handle uninitialized.\n\nFix it by checking the acpi_get_handle() return status and skip the entry\nif it fails."
        }
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      "providerMetadata": {
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    "dateReserved": "2026-09-17T16:02:15.087Z",
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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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