CVE-2022-50404

medium

Description

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().

References

https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013

https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6

https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758

https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123

Details

Source: Mitre, NVD

Published: 2025-09-18

Updated: 2025-09-19

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018