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CVE-2026-80883 (GCVE-0-2026-80883)

Vulnerability from cvelistv5 – Published: 2026-09-04 16:49 – Updated: 2026-09-04 16:49
VLAI
Title
drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered The host1x_client_register() function is called just prior to register map initialization loop, making the device available to userspace. This may result in userspace attempting to submits a job before the register map is initialized. Address this by moving register initialization before host1x client registration.
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6e22d5ad61cfa38aa53fab86a530113aff6a3619 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5db37fd7710e74bc4df48bddab8f571d0bfc6769 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 40a2a91da02c434938f0ba53877984820800b5f0 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3055292b8eed69553b389a609197a241df47e68e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c4ef5ba1131346159e31f4ef858525cf377380a6 (git)
Affected: 0 , < 6.6.145 (semver)
Affected: 0 , < 6.12.97 (semver)
Affected: 0 , < 6.18.40 (semver)
Affected: 0 , < 7.1.5 (semver)
guessed Create a notification for this product.
Linux Linux Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
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          "programFiles": [
            "drivers/gpu/drm/tegra/gr2d.c",
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      "cpeApplicability": [
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              "operator": "OR"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered\n\nThe host1x_client_register() function is called just prior to register map\ninitialization loop, making the device available to userspace. This may\nresult in userspace attempting to submits a job before the register map is\ninitialized. Address this by moving register initialization before host1x\nclient registration."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-09-04T16:49:24.462Z",
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        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/6e22d5ad61cfa38aa53fab86a530113aff6a3619"
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        },
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        },
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          "url": "https://git.kernel.org/stable/c/c4ef5ba1131346159e31f4ef858525cf377380a6"
        }
      ],
      "title": "drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered",
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80883",
    "datePublished": "2026-09-04T16:49:24.462Z",
    "dateReserved": "2026-08-26T14:34:25.799Z",
    "dateUpdated": "2026-09-04T16:49:24.462Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-06",
      "epss": "0.00157",
      "percentile": "0.05175"
    },
    "microsoft_vex": {
      "current_release_date": "2026-09-06T04:37:29.000Z",
      "cve": "CVE-2026-80883",
      "id": "msrc_CVE-2026-80883",
      "initial_release_date": "2026-09-06T04:37:29.000Z",
      "product_status:under_investigation": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-80883.json",
      "version": "1"
    },
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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