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CVE-2023-3161

CVE-2023-3161

CVSS 5.5 MEDIUMEPSS 0.2%CWE-1335
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
n/a · Linux Kernel (fbcon)

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