What is CVE-2023-3161?

CVE-2023-3161 is a medium-severity vulnerability in Linux Linux_kernel, classified under CWE-1335. CVSS score: 5.5/10. Published 2023-06-12.

How severe is CVE-2023-3161?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Linux_kernel

CVE-2023-3161

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 b…

EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel — versions 6.2
Fedoraproject Fedora — versions 38
Redhat Enterprise_linux — versions 8.0, 9.0
N/a Linux Kernel (Fbcon) — versions Fixed in kernel 6.2-rc7

Weakness classification (CWE)

References

secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Patch)

Frequently asked questions

What is CVE-2023-3161?: CVE-2023-3161 is a medium-severity vulnerability in Linux Linux_kernel, classified under CWE-1335. CVSS score: 5.5/10. Published 2023-06-12.
How severe is CVE-2023-3161?: Medium severity. CVSS v3 base score is 5.5 out of 10.