CVE-2023-53864 (GCVE-0-2023-53864)
Vulnerability from cvelistv5
Published
2025-12-09 01:30
Modified
2025-12-09 01:30
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disable overlay plane in mxsfb_plane_overlay_atomic_disable() When disabling overlay plane in mxsfb_plane_overlay_atomic_update(), overlay plane's framebuffer pointer is NULL. So, dereferencing it would cause a kernel Oops(NULL pointer dereferencing). Fix the issue by disabling overlay plane in mxsfb_plane_overlay_atomic_disable() instead.
References
Impacted products
Vendor Product Version
Linux Linux Version: cb285a5348e768dbc8edfe28cc2be5ec0c7e1a33
Version: cb285a5348e768dbc8edfe28cc2be5ec0c7e1a33
Version: cb285a5348e768dbc8edfe28cc2be5ec0c7e1a33
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          "programFiles": [
            "drivers/gpu/drm/mxsfb/mxsfb_kms.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mxsfb: Disable overlay plane in mxsfb_plane_overlay_atomic_disable()\n\nWhen disabling overlay plane in mxsfb_plane_overlay_atomic_update(),\noverlay plane\u0027s framebuffer pointer is NULL.  So, dereferencing it would\ncause a kernel Oops(NULL pointer dereferencing).  Fix the issue by\ndisabling overlay plane in mxsfb_plane_overlay_atomic_disable() instead."
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      "title": "drm/mxsfb: Disable overlay plane in mxsfb_plane_overlay_atomic_disable()",
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    "dateReserved": "2025-12-09T01:27:17.829Z",
    "dateUpdated": "2025-12-09T01:30:33.263Z",
    "state": "PUBLISHED"
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  }
}


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