vulnerability
Red Hat: CVE-2023-3161: kernel: fbcon: shift-out-of-bounds in fbcon_set_font() (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jun 12, 2023 | Oct 11, 2023 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jun 12, 2023
Added
Oct 11, 2023
Modified
Mar 27, 2026
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
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