UNKNOWN NVD
CVE-2026-74320
In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer m
In the Linux kernel, the following vulnerability has been resolved:
fbdev: sm501fb: Fix buffer errors in OF binding code
The code that gets the frame buffer mode from OF has 'use after free',
'buffer overrun' and memory leaks.
info->edid_data isn't free if the probe functions fail or if
pd->def_mode is set.
If both the CRT and PANEL are enabled info->edid_data is used after
being freed and is freed twice.
The string returned by of_get_property(np, "mode", &len) is just
written over either the static "640x480-16@60" or the module parameter
string without any regard for the length (which is most likely longer).
Use kstrump() for the OF mode and free everything before freeing 'info.
References
- https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d
- https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a
- https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30
- https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31
- https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a
This unknown severity vulnerability was published on 2026-08-15 via NVD.
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