CVE-2023-3161
moderate-risk
Published 2023-06-12
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.
Do I need to act?
-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (10)
Affected Vendors
References (4)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2213485
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2213485
34
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
16/34 · Moderate