fbdev: fbcon: release buffer when fbcon_do_set_font() failed
CVE-2022-50404
Currently unrated
What is 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().
Affected Version(s)
Linux ebd6f886aa2447fcfcdce5450c9e1028e1d681bb < 88ec6d11052da527eb9268831e7a9bc5bbad02f6
Linux a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 < 06926607b9fddf7ce8017493899ce6eb7e79a123
Linux a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24