Vulnerability-Lookup

GHSA-HVCR-XG33-F4F5

Vulnerability from github – Published: 2026-04-22 15:31 – Updated: 2026-04-22 15:31

Details

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

drm/amd/display: check if ext_caps is valid in BL setup

LVDS connectors don't have extended backlight caps so check if the pointer is valid before accessing it.

(cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31460"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-22T14:16:41Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: check if ext_caps is valid in BL setup\n\nLVDS connectors don\u0027t have extended backlight caps so check\nif the pointer is valid before accessing it.\n\n(cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)",
  "id": "GHSA-hvcr-xg33-f4f5",
  "modified": "2026-04-22T15:31:41Z",
  "published": "2026-04-22T15:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31460"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60b0524bfb7d691ab378cdc788209f11cd34da89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9da4f9964abcaeb6e19797d5e3b10faad338a786"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31460 (GCVE-0-2026-31460)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:53 – Updated: 2026-04-22 13:53

Title

drm/amd/display: check if ext_caps is valid in BL setup

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if ext_caps is valid in BL setup LVDS connectors don't have extended backlight caps so check if the pointer is valid before accessing it. (cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/60b0524bfb7d691ab…
	https://git.kernel.org/stable/c/9da4f9964abcaeb6e…

Impacted products

Vendor

Product

Version

Linux

Affected: 1454642960b0a4fafd48b08919d39350ee2ac372 , < 60b0524bfb7d691ab378cdc788209f11cd34da89 (git)
Affected: 1454642960b0a4fafd48b08919d39350ee2ac372 , < 9da4f9964abcaeb6e19797d5e3b10faad338a786 (git)

Linux

Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 6.19.11 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "60b0524bfb7d691ab378cdc788209f11cd34da89",
              "status": "affected",
              "version": "1454642960b0a4fafd48b08919d39350ee2ac372",
              "versionType": "git"
            },
            {
              "lessThan": "9da4f9964abcaeb6e19797d5e3b10faad338a786",
              "status": "affected",
              "version": "1454642960b0a4fafd48b08919d39350ee2ac372",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "lessThan": "6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.19",
                  "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 ext_caps is valid in BL setup\n\nLVDS connectors don\u0027t have extended backlight caps so check\nif the pointer is valid before accessing it.\n\n(cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-22T13:53:52.202Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/60b0524bfb7d691ab378cdc788209f11cd34da89"
        },
        {
          "url": "https://git.kernel.org/stable/c/9da4f9964abcaeb6e19797d5e3b10faad338a786"
        }
      ],
      "title": "drm/amd/display: check if ext_caps is valid in BL setup",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31460",
    "datePublished": "2026-04-22T13:53:52.202Z",
    "dateReserved": "2026-03-09T15:48:24.092Z",
    "dateUpdated": "2026-04-22T13:53:52.202Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-HVCR-XG33-F4F5

CVE-2026-31460 (GCVE-0-2026-31460)

Tags

Sightings

Nomenclature