Vulnerability CVE-2023-3161


Published: 2023-06-12

Description:
A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2213485
https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be

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