A slab-out-of-bounds read in fbcon... CVE-2020-28974

- AV AC AU C I A
发布: 2020-11-20
修订: 2020-11-27

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

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