GHSA-M975-XMQ3-6QCH

Vulnerability from github – Published: 2026-09-17 18:31 – Updated: 2026-09-17 18:31
VLAI
Details

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

drm/sun4i: crtc: Propagate layer initialization error

sun4i_crtc_init() returns plain NULL when layer initialization fails, while all its other error paths return an error pointer. The only caller, sun4i_tcon_bind(), checks the result with IS_ERR() and happily continues with tcon->crtc set to NULL. sun4i_rgb_init() and sun4i_lvds_init() then dereference it in drm_crtc_mask(), which oopses.

Return the error pointer instead.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-90297"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/sun4i: crtc: Propagate layer initialization error\n\nsun4i_crtc_init() returns plain NULL when layer initialization fails,\nwhile all its other error paths return an error pointer. The only\ncaller, sun4i_tcon_bind(), checks the result with IS_ERR() and happily\ncontinues with tcon-\u003ecrtc set to NULL. sun4i_rgb_init() and\nsun4i_lvds_init() then dereference it in drm_crtc_mask(), which\noopses.\n\nReturn the error pointer instead.",
  "id": "GHSA-m975-xmq3-6qch",
  "modified": "2026-09-17T18:31:59Z",
  "published": "2026-09-17T18:31:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90297"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1882112124a642de7571fbf354fa1929decbb3ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bb3169788f8296c8fc1e0d4fa6f1c6367cd5829"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65bc02fec98e4e1d7d59d86cf2ddf8fd73dacb89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7061ff05ed4a3cf16e83f7e3ad09cbd212508a32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f32af44d43332c02198752e596df00659bf4354"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aaf812960fb5ade24be7a1d8fea27a1ffc458c30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0d3219ffd4c0d42295e0dc949856067b7818b71"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e216d6168f25a69e5ae5b981ee73b3a860a46441"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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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.

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