Files
xserver/Xi
Peter Hutterer 9e2ecb2af8 dix: allocate enough space for logical button maps
Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for
each logical button currently down. Since buttons can be arbitrarily mapped
to anything up to 255 make sure we have enough bits for the maximum mapping.

CVE-2023-6816, ZDI-CAN-22664, ZDI-CAN-22665

This vulnerability was discovered by:
Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
2024-01-16 09:23:47 +01:00
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