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2024 Oct 29
0
X.Org Security Advisory: Issues in X.Org X server prior to 21.1.14 and Xwayland prior to 24.1.4
.../gitlab.freedesktop.org/xorg/xserver/-/commit/85b776571487f52e756f68a069c768757369bfe3
Found by: Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
The _XkbSetCompatMap() function attempts to resize the `sym_interpret`
buffer.
However, It didn't update its size properly. It updated `num_si` only,
without updating `size_si`.
This may lead to local privilege escalation if the server is run as root
or remote code execution (e.g. x11 over ssh).
xorg-server-21.1.14 and xwayland-24.1.4 have been patched to fix this issue.
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