Vulnerability-Lookup

GHSA-WQM8-5QV4-RXP2

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-28 09:31

Details

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

drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE

Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization.

(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80703"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:55Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process\u0027s\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)",
  "id": "GHSA-wqm8-5qv4-rxp2",
  "modified": "2026-08-28T09:31:50Z",
  "published": "2026-08-28T09:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80703"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80703 (GCVE-0-2026-80703)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:53 – Updated: 2026-08-28 06:53

Title

drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization. (cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)

Severity

No CVSS data available.

Assigner

Linux mitre root

References

5 references

URL	Tags
https://git.kernel.org/stable/c/ce813614f63b020a8…
https://git.kernel.org/stable/c/b8c05061997408bf8…
https://git.kernel.org/stable/c/9e52212aff8ed1fd9…
https://git.kernel.org/stable/c/4070909ac042f4465…
https://git.kernel.org/stable/c/99b2fe4f19e3be0a8…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ce813614f63b020a826071276a92f2cfae7cba79 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b8c05061997408bf81759f2dd31cd5f66771d15f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9e52212aff8ed1fd9087728f61243ce3efd9d0ac (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4070909ac042f44654aac72f7986ea550c96f591 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 99b2fe4f19e3be0a8d0a0b5ea98d855970889653 (git) Affected: 0 , < 6.6.151 (semver) Affected: 0 , < 6.12.103 (semver) Affected: 0 , < 6.18.44 (semver) Affected: 0 , < 7.1.8 (semver)
Linux	Linux	Unaffected: 6.6.151 , ≤ 6.6.* (semver) Unaffected: 6.12.103 , ≤ 6.12.* (semver) Unaffected: 6.18.44 , ≤ 6.18.* (semver) Unaffected: 7.1.8 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "versionType": "git"
            },
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
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              "version": "0",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThan": "7.1.8",
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              "version": "0",
              "versionType": "semver"
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.151",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.103",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.44",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.151",
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                {
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              "operator": "OR"
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process\u0027s\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:53:05.851Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"
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        {
          "url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"
        }
      ],
      "title": "drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80703",
    "datePublished": "2026-08-28T06:53:05.851Z",
    "dateReserved": "2026-08-26T14:34:25.786Z",
    "dateUpdated": "2026-08-28T06:53:05.851Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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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GHSA-WQM8-5QV4-RXP2

CVE-2026-80703 (GCVE-0-2026-80703)

Tags

Sightings

Nomenclature