CVE-2026-98319 (GCVE-0-2026-98319)
Vulnerability from cvelistv5
Published
2026-10-06 08:46
Modified
2026-10-19 09:17
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm: Fix drm_pending_vblank_event leak in error path for out_fence_ptr When an out_fence_ptr is provided but DRM_MODE_PAGE_FLIP_EVENT is not set, a drm_pending_vblank_event will be allocated. If later, there is an allocation failure or another failure at setup_out_fence(), that event will not have base.fence set and it will not be released at complete_signaling(). Release the event and set crtc_state->event to NULL just like in the DRM_MODE_PAGE_FLIP_EVENT case when there is a failure at drm_event_reserve_init(). That is, prepare_signaling() releases the event and there is nothing to be done at complete_signaling(). Use drm_event_cancel_free() as that will also undo drm_event_reserve_init() in case it has been called.
References
Impacted products
Vendor Product Version
Linux Linux Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 92c715fca907686f5298220ece53423e38ba3aed
Version: 4cd462c7f2b6fcc208aebf44f2c831681feaa925
Version: 4.9.10   ≤
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{
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      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Fix drm_pending_vblank_event leak in error path for out_fence_ptr\n\nWhen an out_fence_ptr is provided but DRM_MODE_PAGE_FLIP_EVENT is not\nset, a drm_pending_vblank_event will be allocated. If later, there is an\nallocation failure or another failure at setup_out_fence(), that event\nwill not have base.fence set and it will not be released at\ncomplete_signaling().\n\nRelease the event and set crtc_state-\u003eevent to NULL just like in the\nDRM_MODE_PAGE_FLIP_EVENT case when there is a failure at\ndrm_event_reserve_init(). That is, prepare_signaling() releases the\nevent and there is nothing to be done at complete_signaling(). Use\ndrm_event_cancel_free() as that will also undo drm_event_reserve_init()\nin case it has been called."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:17:29.834Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3d6576ed3de01e8a378397b7020e33ae3d40aa6c"
        },
        {
          "url": "https://git.kernel.org/stable/c/86c33f740aa27e9cdc1259f0cc59c9c58f545e4b"
        },
        {
          "url": "https://git.kernel.org/stable/c/88c450e23b8fd4f1dcd329562f5e81ef05f3d941"
        },
        {
          "url": "https://git.kernel.org/stable/c/780716e2e019186fa6e5aad097a44b87b0b5388f"
        },
        {
          "url": "https://git.kernel.org/stable/c/d0be0516b5224eb5b6f42f8564a8deadb20ae16b"
        },
        {
          "url": "https://git.kernel.org/stable/c/daefd7ff159b0d1fb8c9e64430dcbe2aca1bdd09"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9a68a9ccaada15d8dd0102c188cc6b868ff800b"
        },
        {
          "url": "https://git.kernel.org/stable/c/9eb1a393c89a79c4210230d23e7d88d239c61d7b"
        }
      ],
      "title": "drm: Fix drm_pending_vblank_event leak in error path for out_fence_ptr",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98319",
    "datePublished": "2026-10-06T08:46:13.948Z",
    "dateReserved": "2026-09-25T10:25:14.340Z",
    "dateUpdated": "2026-10-19T09:17:29.834Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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