Vulnerability-Lookup

GHSA-Q2JH-VG55-CHVM

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-10-15 12:30

Details

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

drm/amd/display: check if dml21_add_phantom_plane() is successful

Verify that the phantom plane was allocated to avoid a later segfault.

(cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80705"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:56Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: check if dml21_add_phantom_plane() is successful\n\nVerify that the phantom plane was allocated to avoid a later\nsegfault.\n\n(cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)",
  "id": "GHSA-q2jh-vg55-chvm",
  "modified": "2026-10-15T12:30:45Z",
  "published": "2026-08-28T09:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80705"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bea1f73ad69eec36b757adb8e63beb3092f862ee"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80705 (GCVE-0-2026-80705)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:53 – Updated: 2026-10-15 10:09

Title

drm/amd/display: check if dml21_add_phantom_plane() is successful

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21_add_phantom_plane() is successful Verify that the phantom plane was allocated to avoid a later segfault. (cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6666 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/bea1f73ad69eec36b…
https://git.kernel.org/stable/c/062cfd6c678f6647c…
https://git.kernel.org/stable/c/000acb4ce7fb9feba…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 70839da6360500a82e4d5f78499284474cbed7c1 , < bea1f73ad69eec36b757adb8e63beb3092f862ee (git) Affected: 70839da6360500a82e4d5f78499284474cbed7c1 , < 062cfd6c678f6647c8841f684d6dadab08d95512 (git) Affected: 70839da6360500a82e4d5f78499284474cbed7c1 , < 000acb4ce7fb9feba3072ce468ad681f6585cd5d (git)
Linux	Linux	Affected: 6.11 Unaffected: 0 , < 6.11 (semver) Unaffected: 6.18.57 , ≤ 6.18.* (semver) Unaffected: 7.1.8 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bea1f73ad69eec36b757adb8e63beb3092f862ee",
              "status": "affected",
              "version": "70839da6360500a82e4d5f78499284474cbed7c1",
              "versionType": "git"
            },
            {
              "lessThan": "062cfd6c678f6647c8841f684d6dadab08d95512",
              "status": "affected",
              "version": "70839da6360500a82e4d5f78499284474cbed7c1",
              "versionType": "git"
            },
            {
              "lessThan": "000acb4ce7fb9feba3072ce468ad681f6585cd5d",
              "status": "affected",
              "version": "70839da6360500a82e4d5f78499284474cbed7c1",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.57",
              "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": "6.18.57",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.8",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: check if dml21_add_phantom_plane() is successful\n\nVerify that the phantom plane was allocated to avoid a later\nsegfault.\n\n(cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-15T10:09:45.059Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/bea1f73ad69eec36b757adb8e63beb3092f862ee"
        },
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          "url": "https://git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512"
        },
        {
          "url": "https://git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d"
        }
      ],
      "title": "drm/amd/display: check if dml21_add_phantom_plane() is successful",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80705",
    "datePublished": "2026-08-28T06:53:07.045Z",
    "dateReserved": "2026-08-26T14:34:25.787Z",
    "dateUpdated": "2026-10-15T10:09:45.059Z",
    "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.

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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.
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