CVE-2022-50404

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().

Score

CVSS 3.1 5.5 Medium

Status

Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-09-18

Last modified

2026-05-23

Weaknesses

CWE-401

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123
• https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758
• https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127
• https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6
• https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013