FKIE_CVE-2023-3161

Vulnerability from fkie_nvd - Published: 2023-06-12 20:15 - Updated: 2025-03-11 15:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2213485Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0bePatch
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2213485Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0bePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
linux linux_kernel 6.2
fedoraproject fedora 38
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
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