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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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linux linux kernel |
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linux linux kernel 6.2 |
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fedoraproject fedora 38 |
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redhat enterprise linux 8.0 |
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redhat enterprise linux 9.0 |