PT-2026-93447 · Linux · Linux Kernel

CVE-2026-89806

·

Published

2026-09-16

·

Updated

2026-09-24

CVSS v3.1

8.4

High

VectorAV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An integer overflow occurs during the framebuffer size calculation fb size = linebytes * height when both linebytes and height variables contain large values. Because these variables are defined as int types, the multiplication results in undefined behavior upon overflow.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

AZL-101526
CVE-2026-89806
OPENSUSE-SU-2026:11880-1

Affected Products

Linux Kernel